311920516

素因数分解:

$2^2\times {\mathrm{241}}^1\times {\mathrm{491}}^1\times {\mathrm{659}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 550075680

約数和(自身を除く): 238155164

約数列:

[1, 2, 4, 241, 482, 491, 659, 964, 982, 1318, 1964, 2636, 118331, 158819, 236662, 317638, 323569, 473324, 635276, 647138, 1294276, 77980129, 155960258, 311920516]

約数ペア:

[(1, 311920516), (2, 155960258), (4, 77980129), (241, 1294276), (482, 647138), (491, 635276), (659, 473324), (964, 323569), (982, 317638), (1318, 236662), (1964, 158819), (2636, 118331)]