78868984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1321}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 157053600

約数和(自身を除く): 78184616

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 439, 878, 1321, 1756, 2642, 3512, 5284, 7463, 10568, 14926, 22457, 29852, 44914, 59704, 89828, 179656, 579919, 1159838, 2319676, 4639352, 9858623, 19717246, 39434492, 78868984]

約数ペア:

[(1, 78868984), (2, 39434492), (4, 19717246), (8, 9858623), (17, 4639352), (34, 2319676), (68, 1159838), (136, 579919), (439, 179656), (878, 89828), (1321, 59704), (1756, 44914), (2642, 29852), (3512, 22457), (5284, 14926), (7463, 10568)]