71398990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1789}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 138932640

約数和(自身を除く): 67533650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307, 614, 1535, 1789, 3070, 3578, 3991, 7982, 8945, 17890, 19955, 23257, 39910, 46514, 116285, 232570, 549223, 1098446, 2746115, 5492230, 7139899, 14279798, 35699495, 71398990]

約数ペア:

[(1, 71398990), (2, 35699495), (5, 14279798), (10, 7139899), (13, 5492230), (26, 2746115), (65, 1098446), (130, 549223), (307, 232570), (614, 116285), (1535, 46514), (1789, 39910), (3070, 23257), (3578, 19955), (3991, 17890), (7982, 8945)]