888973670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{220589}}^1$

素因数の和:220640

約数の個数: 32

約数和(自身を含む): 1778837760

約数和(自身を除く): 889864090

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 220589, 441178, 1102945, 2205890, 2867657, 5735314, 6838259, 13676518, 14338285, 28676570, 34191295, 68382590, 88897367, 177794734, 444486835, 888973670]

約数ペア:

[(1, 888973670), (2, 444486835), (5, 177794734), (10, 88897367), (13, 68382590), (26, 34191295), (31, 28676570), (62, 14338285), (65, 13676518), (130, 6838259), (155, 5735314), (310, 2867657), (403, 2205890), (806, 1102945), (2015, 441178), (4030, 220589)]