72478928

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{27791}}^1$

素因数の和:27962

約数の個数: 20

約数和(自身を含む): 141294528

約数和(自身を除く): 68815600

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 27791, 55582, 111164, 222328, 444656, 4529933, 9059866, 18119732, 36239464, 72478928]

約数ペア:

[(1, 72478928), (2, 36239464), (4, 18119732), (8, 9059866), (16, 4529933), (163, 444656), (326, 222328), (652, 111164), (1304, 55582), (2608, 27791)]