72863590

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{18731}}^1$

素因数の和:19127

約数の個数: 16

約数和(自身を含む): 131498640

約数和(自身を除く): 58635050

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 18731, 37462, 93655, 187310, 7286359, 14572718, 36431795, 72863590]

約数ペア:

[(1, 72863590), (2, 36431795), (5, 14572718), (10, 7286359), (389, 187310), (778, 93655), (1945, 37462), (3890, 18731)]