81239296

素因数分解:

$2^8\times {\mathrm{271}}^1\times {\mathrm{1171}}^1$

素因数の和:1458

約数の個数: 36

約数和(自身を含む): 162898624

約数和(自身を除く): 81659328

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 271, 542, 1084, 1171, 2168, 2342, 4336, 4684, 8672, 9368, 17344, 18736, 34688, 37472, 69376, 74944, 149888, 299776, 317341, 634682, 1269364, 2538728, 5077456, 10154912, 20309824, 40619648, 81239296]

約数ペア:

[(1, 81239296), (2, 40619648), (4, 20309824), (8, 10154912), (16, 5077456), (32, 2538728), (64, 1269364), (128, 634682), (256, 317341), (271, 299776), (542, 149888), (1084, 74944), (1171, 69376), (2168, 37472), (2342, 34688), (4336, 18736), (4684, 17344), (8672, 9368)]