72721565

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 102643200

約数和(自身を除く): 29921635

約数列:

[1, 5, 7, 35, 53, 197, 199, 265, 371, 985, 995, 1379, 1393, 1855, 6895, 6965, 10441, 10547, 39203, 52205, 52735, 73087, 73829, 196015, 274421, 365435, 369145, 1372105, 2077759, 10388795, 14544313, 72721565]

約数ペア:

[(1, 72721565), (5, 14544313), (7, 10388795), (35, 2077759), (53, 1372105), (197, 369145), (199, 365435), (265, 274421), (371, 196015), (985, 73829), (995, 73087), (1379, 52735), (1393, 52205), (1855, 39203), (6895, 10547), (6965, 10441)]