25725488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:645

約数の個数: 40

約数和(自身を含む): 53121600

約数和(自身を除く): 27396112

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 271, 272, 349, 542, 698, 1084, 1396, 2168, 2792, 4336, 4607, 5584, 5933, 9214, 11866, 18428, 23732, 36856, 47464, 73712, 94579, 94928, 189158, 378316, 756632, 1513264, 1607843, 3215686, 6431372, 12862744, 25725488]

約数ペア:

[(1, 25725488), (2, 12862744), (4, 6431372), (8, 3215686), (16, 1607843), (17, 1513264), (34, 756632), (68, 378316), (136, 189158), (271, 94928), (272, 94579), (349, 73712), (542, 47464), (698, 36856), (1084, 23732), (1396, 18428), (2168, 11866), (2792, 9214), (4336, 5933), (4607, 5584)]