637806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 1502064

約数和(自身を除く): 864258

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 37, 39, 51, 74, 78, 102, 111, 169, 221, 222, 338, 442, 481, 507, 629, 663, 962, 1014, 1258, 1326, 1443, 1887, 2873, 2886, 3774, 5746, 6253, 8177, 8619, 12506, 16354, 17238, 18759, 24531, 37518, 49062, 106301, 212602, 318903, 637806]

約数ペア:

[(1, 637806), (2, 318903), (3, 212602), (6, 106301), (13, 49062), (17, 37518), (26, 24531), (34, 18759), (37, 17238), (39, 16354), (51, 12506), (74, 8619), (78, 8177), (102, 6253), (111, 5746), (169, 3774), (221, 2886), (222, 2873), (338, 1887), (442, 1443), (481, 1326), (507, 1258), (629, 1014), (663, 962)]