3988738690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12866899}}^1$

素因数の和:12866937

約数の個数: 16

約数和(自身を含む): 7411334400

約数和(自身を除く): 3422595710

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 12866899, 25733798, 64334495, 128668990, 398873869, 797747738, 1994369345, 3988738690]

約数ペア:

[(1, 3988738690), (2, 1994369345), (5, 797747738), (10, 398873869), (31, 128668990), (62, 64334495), (155, 25733798), (310, 12866899)]