261518166

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2801}}^1$

素因数の和:2851

約数の個数: 128

約数和(自身を含む): 753177600

約数和(自身を除く): 491659434

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 189, 234, 247, 266, 273, 342, 351, 378, 399, 494, 513, 546, 702, 741, 798, 819, 1026, 1197, 1482, 1638, 1729, 2223, 2394, 2457, 2801, 3458, 3591, 4446, 4914, 5187, 5602, 6669, 7182, 8403, 10374, 13338, 15561, 16806, 19607, 25209, 31122, 36413, 39214, 46683, 50418, 53219, 58821, 72826, 75627, 93366, 106438, 109239, 117642, 151254, 159657, 176463, 218478, 254891, 319314, 327717, 352926, 372533, 478971, 509782, 529389, 655434, 691847, 745066, 764673, 957942, 983151, 1058778, 1117599, 1383694, 1436913, 1529346, 1966302, 2075541, 2235198, 2294019, 2873826, 3352797, 4151082, 4588038, 4842929, 6226623, 6705594, 6882057, 9685858, 10058391, 12453246, 13764114, 14528787, 18679869, 20116782, 29057574, 37359738, 43586361, 87172722, 130759083, 261518166]

約数ペア:

[(1, 261518166), (2, 130759083), (3, 87172722), (6, 43586361), (7, 37359738), (9, 29057574), (13, 20116782), (14, 18679869), (18, 14528787), (19, 13764114), (21, 12453246), (26, 10058391), (27, 9685858), (38, 6882057), (39, 6705594), (42, 6226623), (54, 4842929), (57, 4588038), (63, 4151082), (78, 3352797), (91, 2873826), (114, 2294019), (117, 2235198), (126, 2075541), (133, 1966302), (171, 1529346), (182, 1436913), (189, 1383694), (234, 1117599), (247, 1058778), (266, 983151), (273, 957942), (342, 764673), (351, 745066), (378, 691847), (399, 655434), (494, 529389), (513, 509782), (546, 478971), (702, 372533), (741, 352926), (798, 327717), (819, 319314), (1026, 254891), (1197, 218478), (1482, 176463), (1638, 159657), (1729, 151254), (2223, 117642), (2394, 109239), (2457, 106438), (2801, 93366), (3458, 75627), (3591, 72826), (4446, 58821), (4914, 53219), (5187, 50418), (5602, 46683), (6669, 39214), (7182, 36413), (8403, 31122), (10374, 25209), (13338, 19607), (15561, 16806)]