25747917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 38330880

約数和(自身を除く): 12582963

約数列:

[1, 3, 13, 39, 61, 79, 137, 183, 237, 411, 793, 1027, 1781, 2379, 3081, 4819, 5343, 8357, 10823, 14457, 25071, 32469, 62647, 108641, 140699, 187941, 325923, 422097, 660203, 1980609, 8582639, 25747917]

約数ペア:

[(1, 25747917), (3, 8582639), (13, 1980609), (39, 660203), (61, 422097), (79, 325923), (137, 187941), (183, 140699), (237, 108641), (411, 62647), (793, 32469), (1027, 25071), (1781, 14457), (2379, 10823), (3081, 8357), (4819, 5343)]