318772012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{68879}}^1$

素因数の和:68985

約数の個数: 24

約数和(自身を含む): 607521600

約数和(自身を除く): 288749588

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 68879, 137758, 275516, 895427, 1790854, 3581708, 6130231, 12260462, 24520924, 79693003, 159386006, 318772012]

約数ペア:

[(1, 318772012), (2, 159386006), (4, 79693003), (13, 24520924), (26, 12260462), (52, 6130231), (89, 3581708), (178, 1790854), (356, 895427), (1157, 275516), (2314, 137758), (4628, 68879)]