87712072

素因数分解:

$2^3\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1571}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 188262720

約数和(自身を除く): 100550648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 997, 1571, 1994, 3142, 3988, 6284, 6979, 7976, 10997, 12568, 13958, 21994, 27916, 43988, 55832, 87976, 1566287, 3132574, 6265148, 10964009, 12530296, 21928018, 43856036, 87712072]

約数ペア:

[(1, 87712072), (2, 43856036), (4, 21928018), (7, 12530296), (8, 10964009), (14, 6265148), (28, 3132574), (56, 1566287), (997, 87976), (1571, 55832), (1994, 43988), (3142, 27916), (3988, 21994), (6284, 13958), (6979, 12568), (7976, 10997)]