40172538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{569}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 94282560

約数和(自身を除く): 54110022

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 569, 574, 861, 1138, 1681, 1707, 1722, 3362, 3414, 3983, 5043, 7966, 10086, 11767, 11949, 23329, 23534, 23898, 35301, 46658, 69987, 70602, 139974, 163303, 326606, 489909, 956489, 979818, 1912978, 2869467, 5738934, 6695423, 13390846, 20086269, 40172538]

約数ペア:

[(1, 40172538), (2, 20086269), (3, 13390846), (6, 6695423), (7, 5738934), (14, 2869467), (21, 1912978), (41, 979818), (42, 956489), (82, 489909), (123, 326606), (246, 163303), (287, 139974), (569, 70602), (574, 69987), (861, 46658), (1138, 35301), (1681, 23898), (1707, 23534), (1722, 23329), (3362, 11949), (3414, 11767), (3983, 10086), (5043, 7966)]