128840796

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{73039}}^1$

素因数の和:73063

約数の個数: 54

約数和(自身を含む): 378858480

約数和(自身を除く): 250017684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 73039, 146078, 219117, 292156, 438234, 511273, 657351, 876468, 1022546, 1314702, 1533819, 2045092, 2629404, 3067638, 3578911, 4601457, 6135276, 7157822, 9202914, 10736733, 14315644, 18405828, 21473466, 32210199, 42946932, 64420398, 128840796]

約数ペア:

[(1, 128840796), (2, 64420398), (3, 42946932), (4, 32210199), (6, 21473466), (7, 18405828), (9, 14315644), (12, 10736733), (14, 9202914), (18, 7157822), (21, 6135276), (28, 4601457), (36, 3578911), (42, 3067638), (49, 2629404), (63, 2045092), (84, 1533819), (98, 1314702), (126, 1022546), (147, 876468), (196, 657351), (252, 511273), (294, 438234), (441, 292156), (588, 219117), (882, 146078), (1764, 73039)]