181331402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 345876480

約数和(自身を除く): 164545078

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 107, 133, 161, 214, 266, 277, 322, 437, 554, 749, 874, 1498, 1939, 2033, 2461, 3059, 3878, 4066, 4922, 5263, 6118, 6371, 10526, 12742, 14231, 17227, 28462, 29639, 34454, 36841, 44597, 46759, 59278, 73682, 89194, 93518, 121049, 207473, 242098, 327313, 414946, 563141, 654626, 681697, 847343, 1126282, 1363394, 1694686, 3941987, 4771879, 7883974, 9543758, 12952243, 25904486, 90665701, 181331402]

約数ペア:

[(1, 181331402), (2, 90665701), (7, 25904486), (14, 12952243), (19, 9543758), (23, 7883974), (38, 4771879), (46, 3941987), (107, 1694686), (133, 1363394), (161, 1126282), (214, 847343), (266, 681697), (277, 654626), (322, 563141), (437, 414946), (554, 327313), (749, 242098), (874, 207473), (1498, 121049), (1939, 93518), (2033, 89194), (2461, 73682), (3059, 59278), (3878, 46759), (4066, 44597), (4922, 36841), (5263, 34454), (6118, 29639), (6371, 28462), (10526, 17227), (12742, 14231)]