31904990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12917}}^1$

素因数の和:12956

約数の個数: 32

約数和(自身を含む): 65106720

約数和(自身を除く): 33201730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 12917, 25834, 64585, 129170, 167921, 245423, 335842, 490846, 839605, 1227115, 1679210, 2454230, 3190499, 6380998, 15952495, 31904990]

約数ペア:

[(1, 31904990), (2, 15952495), (5, 6380998), (10, 3190499), (13, 2454230), (19, 1679210), (26, 1227115), (38, 839605), (65, 490846), (95, 335842), (130, 245423), (190, 167921), (247, 129170), (494, 64585), (1235, 25834), (2470, 12917)]