131272816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2063}}^1$

素因数の和:2209

約数の個数: 40

約数和(自身を含む): 263358144

約数和(自身を除く): 132085328

約数列:

[1, 2, 4, 8, 16, 41, 82, 97, 164, 194, 328, 388, 656, 776, 1552, 2063, 3977, 4126, 7954, 8252, 15908, 16504, 31816, 33008, 63632, 84583, 169166, 200111, 338332, 400222, 676664, 800444, 1353328, 1600888, 3201776, 8204551, 16409102, 32818204, 65636408, 131272816]

約数ペア:

[(1, 131272816), (2, 65636408), (4, 32818204), (8, 16409102), (16, 8204551), (41, 3201776), (82, 1600888), (97, 1353328), (164, 800444), (194, 676664), (328, 400222), (388, 338332), (656, 200111), (776, 169166), (1552, 84583), (2063, 63632), (3977, 33008), (4126, 31816), (7954, 16504), (8252, 15908)]