208131768

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:859

約数の個数: 160

約数和(自身を含む): 648869760

約数和(自身を除く): 440737992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 81, 93, 104, 108, 117, 124, 156, 162, 186, 216, 234, 248, 279, 312, 324, 351, 372, 403, 468, 558, 648, 702, 744, 797, 806, 837, 936, 1053, 1116, 1209, 1404, 1594, 1612, 1674, 2106, 2232, 2391, 2418, 2511, 2808, 3188, 3224, 3348, 3627, 4212, 4782, 4836, 5022, 6376, 6696, 7173, 7254, 8424, 9564, 9672, 10044, 10361, 10881, 14346, 14508, 19128, 20088, 20722, 21519, 21762, 24707, 28692, 29016, 31083, 32643, 41444, 43038, 43524, 49414, 57384, 62166, 64557, 65286, 74121, 82888, 86076, 87048, 93249, 98828, 124332, 129114, 130572, 148242, 172152, 186498, 197656, 222363, 248664, 258228, 261144, 279747, 296484, 321191, 372996, 444726, 516456, 559494, 592968, 642382, 667089, 745992, 839241, 889452, 963573, 1118988, 1284764, 1334178, 1678482, 1778904, 1927146, 2001267, 2237976, 2569528, 2668356, 2890719, 3356964, 3854292, 4002534, 5336712, 5781438, 6713928, 7708584, 8005068, 8672157, 11562876, 16010136, 17344314, 23125752, 26016471, 34688628, 52032942, 69377256, 104065884, 208131768]

約数ペア:

[(1, 208131768), (2, 104065884), (3, 69377256), (4, 52032942), (6, 34688628), (8, 26016471), (9, 23125752), (12, 17344314), (13, 16010136), (18, 11562876), (24, 8672157), (26, 8005068), (27, 7708584), (31, 6713928), (36, 5781438), (39, 5336712), (52, 4002534), (54, 3854292), (62, 3356964), (72, 2890719), (78, 2668356), (81, 2569528), (93, 2237976), (104, 2001267), (108, 1927146), (117, 1778904), (124, 1678482), (156, 1334178), (162, 1284764), (186, 1118988), (216, 963573), (234, 889452), (248, 839241), (279, 745992), (312, 667089), (324, 642382), (351, 592968), (372, 559494), (403, 516456), (468, 444726), (558, 372996), (648, 321191), (702, 296484), (744, 279747), (797, 261144), (806, 258228), (837, 248664), (936, 222363), (1053, 197656), (1116, 186498), (1209, 172152), (1404, 148242), (1594, 130572), (1612, 129114), (1674, 124332), (2106, 98828), (2232, 93249), (2391, 87048), (2418, 86076), (2511, 82888), (2808, 74121), (3188, 65286), (3224, 64557), (3348, 62166), (3627, 57384), (4212, 49414), (4782, 43524), (4836, 43038), (5022, 41444), (6376, 32643), (6696, 31083), (7173, 29016), (7254, 28692), (8424, 24707), (9564, 21762), (9672, 21519), (10044, 20722), (10361, 20088), (10881, 19128), (14346, 14508)]