888971590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{8689}}^1$

素因数の和:9496

約数の個数: 32

約数和(自身を含む): 1725625440

約数和(自身を除く): 836653850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 787, 1574, 3935, 7870, 8689, 10231, 17378, 20462, 43445, 51155, 86890, 102310, 112957, 225914, 564785, 1129570, 6838243, 13676486, 34191215, 68382430, 88897159, 177794318, 444485795, 888971590]

約数ペア:

[(1, 888971590), (2, 444485795), (5, 177794318), (10, 88897159), (13, 68382430), (26, 34191215), (65, 13676486), (130, 6838243), (787, 1129570), (1574, 564785), (3935, 225914), (7870, 112957), (8689, 102310), (10231, 86890), (17378, 51155), (20462, 43445)]