28488907888

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1560523}}^1$

素因数の和:1560701

約数の個数: 40

約数和(自身を含む): 63469632128

約数和(自身を除く): 34980724240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 1141, 1304, 2282, 2608, 4564, 9128, 18256, 1560523, 3121046, 6242092, 10923661, 12484184, 21847322, 24968368, 43694644, 87389288, 174778576, 254365249, 508730498, 1017460996, 1780556743, 2034921992, 3561113486, 4069843984, 7122226972, 14244453944, 28488907888]

約数ペア:

[(1, 28488907888), (2, 14244453944), (4, 7122226972), (7, 4069843984), (8, 3561113486), (14, 2034921992), (16, 1780556743), (28, 1017460996), (56, 508730498), (112, 254365249), (163, 174778576), (326, 87389288), (652, 43694644), (1141, 24968368), (1304, 21847322), (2282, 12484184), (2608, 10923661), (4564, 6242092), (9128, 3121046), (18256, 1560523)]