66456490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 129616200

約数和(自身を除く): 63159710

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 361, 410, 449, 722, 779, 898, 1558, 1805, 2245, 3610, 3895, 4490, 7790, 8531, 14801, 17062, 18409, 29602, 36818, 42655, 74005, 85310, 92045, 148010, 162089, 184090, 324178, 349771, 699542, 810445, 1620890, 1748855, 3497710, 6645649, 13291298, 33228245, 66456490]

約数ペア:

[(1, 66456490), (2, 33228245), (5, 13291298), (10, 6645649), (19, 3497710), (38, 1748855), (41, 1620890), (82, 810445), (95, 699542), (190, 349771), (205, 324178), (361, 184090), (410, 162089), (449, 148010), (722, 92045), (779, 85310), (898, 74005), (1558, 42655), (1805, 36818), (2245, 29602), (3610, 18409), (3895, 17062), (4490, 14801), (7790, 8531)]