428657684

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{12941}}^1$

素因数の和:12985

約数の個数: 54

約数和(自身を含む): 944986014

約数和(自身を除く): 516328330

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 637, 676, 1183, 1274, 2366, 2548, 4732, 8281, 12941, 16562, 25882, 33124, 51764, 90587, 168233, 181174, 336466, 362348, 634109, 672932, 1177631, 1268218, 2187029, 2355262, 2536436, 4374058, 4710524, 8243417, 8748116, 15309203, 16486834, 30618406, 32973668, 61236812, 107164421, 214328842, 428657684]

約数ペア:

[(1, 428657684), (2, 214328842), (4, 107164421), (7, 61236812), (13, 32973668), (14, 30618406), (26, 16486834), (28, 15309203), (49, 8748116), (52, 8243417), (91, 4710524), (98, 4374058), (169, 2536436), (182, 2355262), (196, 2187029), (338, 1268218), (364, 1177631), (637, 672932), (676, 634109), (1183, 362348), (1274, 336466), (2366, 181174), (2548, 168233), (4732, 90587), (8281, 51764), (12941, 33124), (16562, 25882)]