155478904

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^2\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 338443920

約数和(自身を除く): 182965016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 521, 584, 1022, 1042, 2044, 2084, 3647, 4088, 4168, 5329, 7294, 10658, 14588, 21316, 29176, 37303, 38033, 42632, 74606, 76066, 149212, 152132, 266231, 298424, 304264, 532462, 1064924, 2129848, 2776409, 5552818, 11105636, 19434863, 22211272, 38869726, 77739452, 155478904]

約数ペア:

[(1, 155478904), (2, 77739452), (4, 38869726), (7, 22211272), (8, 19434863), (14, 11105636), (28, 5552818), (56, 2776409), (73, 2129848), (146, 1064924), (292, 532462), (511, 304264), (521, 298424), (584, 266231), (1022, 152132), (1042, 149212), (2044, 76066), (2084, 74606), (3647, 42632), (4088, 38033), (4168, 37303), (5329, 29176), (7294, 21316), (10658, 14588)]