31287516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1531}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 79271808

約数和(自身を除く): 47984292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 1531, 1572, 1703, 3062, 3406, 4593, 5109, 6124, 6812, 9186, 10218, 18372, 19903, 20436, 39806, 59709, 79612, 119418, 200561, 238836, 401122, 601683, 802244, 1203366, 2406732, 2607293, 5214586, 7821879, 10429172, 15643758, 31287516]

約数ペア:

[(1, 31287516), (2, 15643758), (3, 10429172), (4, 7821879), (6, 5214586), (12, 2607293), (13, 2406732), (26, 1203366), (39, 802244), (52, 601683), (78, 401122), (131, 238836), (156, 200561), (262, 119418), (393, 79612), (524, 59709), (786, 39806), (1531, 20436), (1572, 19903), (1703, 18372), (3062, 10218), (3406, 9186), (4593, 6812), (5109, 6124)]