30972565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 12573035

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 809, 1235, 2015, 2945, 4045, 7657, 10517, 15371, 25079, 38285, 52585, 76855, 125395, 199823, 326027, 476501, 999115, 1630135, 2382505, 6194513, 30972565]

約数ペア:

[(1, 30972565), (5, 6194513), (13, 2382505), (19, 1630135), (31, 999115), (65, 476501), (95, 326027), (155, 199823), (247, 125395), (403, 76855), (589, 52585), (809, 38285), (1235, 25079), (2015, 15371), (2945, 10517), (4045, 7657)]