131520095

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 189388800

約数和(自身を除く): 57868705

約数列:

[1, 5, 7, 23, 35, 115, 161, 199, 805, 821, 995, 1393, 4105, 4577, 5747, 6965, 18883, 22885, 28735, 32039, 94415, 132181, 160195, 163379, 660905, 816895, 1143653, 3757717, 5718265, 18788585, 26304019, 131520095]

約数ペア:

[(1, 131520095), (5, 26304019), (7, 18788585), (23, 5718265), (35, 3757717), (115, 1143653), (161, 816895), (199, 660905), (805, 163379), (821, 160195), (995, 132181), (1393, 94415), (4105, 32039), (4577, 28735), (5747, 22885), (6965, 18883)]