68444890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{881}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 130881744

約数和(自身を除く): 62436854

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 457, 881, 914, 1762, 2285, 4405, 4570, 7769, 8810, 14977, 15538, 29954, 38845, 74885, 77690, 149770, 402617, 805234, 2013085, 4026170, 6844489, 13688978, 34222445, 68444890]

約数ペア:

[(1, 68444890), (2, 34222445), (5, 13688978), (10, 6844489), (17, 4026170), (34, 2013085), (85, 805234), (170, 402617), (457, 149770), (881, 77690), (914, 74885), (1762, 38845), (2285, 29954), (4405, 15538), (4570, 14977), (7769, 8810)]