28000784052

素因数分解:

$2^2\times 3^5\times {\mathrm{83}}^1\times {\mathrm{449}}^1\times {\mathrm{773}}^1$

素因数の和:1324

約数の個数: 144

約数和(自身を含む): 74547345600

約数和(自身を除く): 46546561548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 83, 108, 162, 166, 243, 249, 324, 332, 449, 486, 498, 747, 773, 898, 972, 996, 1347, 1494, 1546, 1796, 2241, 2319, 2694, 2988, 3092, 4041, 4482, 4638, 5388, 6723, 6957, 8082, 8964, 9276, 12123, 13446, 13914, 16164, 20169, 20871, 24246, 26892, 27828, 36369, 37267, 40338, 41742, 48492, 62613, 64159, 72738, 74534, 80676, 83484, 109107, 111801, 125226, 128318, 145476, 149068, 187839, 192477, 218214, 223602, 250452, 256636, 335403, 347077, 375678, 384954, 436428, 447204, 577431, 670806, 694154, 751356, 769908, 1006209, 1041231, 1154862, 1341612, 1388308, 1732293, 2012418, 2082462, 2309724, 3018627, 3123693, 3464586, 4024836, 4164924, 5196879, 6037254, 6247386, 6929172, 9055881, 9371079, 10393758, 12074508, 12494772, 15590637, 18111762, 18742158, 20787516, 28113237, 28807391, 31181274, 36223524, 37484316, 56226474, 57614782, 62362548, 84339711, 86422173, 112452948, 115229564, 168679422, 172844346, 259266519, 337358844, 345688692, 518533038, 777799557, 1037066076, 1555599114, 2333398671, 3111198228, 4666797342, 7000196013, 9333594684, 14000392026, 28000784052]

約数ペア:

[(1, 28000784052), (2, 14000392026), (3, 9333594684), (4, 7000196013), (6, 4666797342), (9, 3111198228), (12, 2333398671), (18, 1555599114), (27, 1037066076), (36, 777799557), (54, 518533038), (81, 345688692), (83, 337358844), (108, 259266519), (162, 172844346), (166, 168679422), (243, 115229564), (249, 112452948), (324, 86422173), (332, 84339711), (449, 62362548), (486, 57614782), (498, 56226474), (747, 37484316), (773, 36223524), (898, 31181274), (972, 28807391), (996, 28113237), (1347, 20787516), (1494, 18742158), (1546, 18111762), (1796, 15590637), (2241, 12494772), (2319, 12074508), (2694, 10393758), (2988, 9371079), (3092, 9055881), (4041, 6929172), (4482, 6247386), (4638, 6037254), (5388, 5196879), (6723, 4164924), (6957, 4024836), (8082, 3464586), (8964, 3123693), (9276, 3018627), (12123, 2309724), (13446, 2082462), (13914, 2012418), (16164, 1732293), (20169, 1388308), (20871, 1341612), (24246, 1154862), (26892, 1041231), (27828, 1006209), (36369, 769908), (37267, 751356), (40338, 694154), (41742, 670806), (48492, 577431), (62613, 447204), (64159, 436428), (72738, 384954), (74534, 375678), (80676, 347077), (83484, 335403), (109107, 256636), (111801, 250452), (125226, 223602), (128318, 218214), (145476, 192477), (149068, 187839)]