317000788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{320851}}^1$

素因数の和:320887

約数の個数: 24

約数和(自身を含む): 628869920

約数和(自身を除く): 311869132

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 320851, 641702, 1283404, 4171063, 6096169, 8342126, 12192338, 16684252, 24384676, 79250197, 158500394, 317000788]

約数ペア:

[(1, 317000788), (2, 158500394), (4, 79250197), (13, 24384676), (19, 16684252), (26, 12192338), (38, 8342126), (52, 6096169), (76, 4171063), (247, 1283404), (494, 641702), (988, 320851)]