254599254

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 702535680

約数和(自身を除く): 447936426

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 197, 234, 263, 273, 351, 378, 394, 526, 546, 591, 702, 789, 819, 1182, 1379, 1578, 1638, 1773, 1841, 2367, 2457, 2561, 2758, 3419, 3546, 3682, 4137, 4734, 4914, 5122, 5319, 5523, 6838, 7101, 7683, 8274, 10257, 10638, 11046, 12411, 14202, 15366, 16569, 17927, 20514, 23049, 23933, 24822, 30771, 33138, 35854, 37233, 46098, 47866, 49707, 51811, 53781, 61542, 69147, 71799, 74466, 92313, 99414, 103622, 107562, 138294, 143598, 155433, 161343, 184626, 215397, 310866, 322686, 362677, 430794, 466299, 484029, 646191, 673543, 725354, 932598, 968058, 1088031, 1292382, 1347086, 1398897, 2020629, 2176062, 2797794, 3264093, 4041258, 4714801, 6061887, 6528186, 9429602, 9792279, 12123774, 14144403, 18185661, 19584558, 28288806, 36371322, 42433209, 84866418, 127299627, 254599254]

約数ペア:

[(1, 254599254), (2, 127299627), (3, 84866418), (6, 42433209), (7, 36371322), (9, 28288806), (13, 19584558), (14, 18185661), (18, 14144403), (21, 12123774), (26, 9792279), (27, 9429602), (39, 6528186), (42, 6061887), (54, 4714801), (63, 4041258), (78, 3264093), (91, 2797794), (117, 2176062), (126, 2020629), (182, 1398897), (189, 1347086), (197, 1292382), (234, 1088031), (263, 968058), (273, 932598), (351, 725354), (378, 673543), (394, 646191), (526, 484029), (546, 466299), (591, 430794), (702, 362677), (789, 322686), (819, 310866), (1182, 215397), (1379, 184626), (1578, 161343), (1638, 155433), (1773, 143598), (1841, 138294), (2367, 107562), (2457, 103622), (2561, 99414), (2758, 92313), (3419, 74466), (3546, 71799), (3682, 69147), (4137, 61542), (4734, 53781), (4914, 51811), (5122, 49707), (5319, 47866), (5523, 46098), (6838, 37233), (7101, 35854), (7683, 33138), (8274, 30771), (10257, 24822), (10638, 23933), (11046, 23049), (12411, 20514), (14202, 17927), (15366, 16569)]