1978392016

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{11717}}^1$

素因数の和:11959

約数の個数: 40

約数和(自身を含む): 3918827304

約数和(自身を除く): 1940435288

約数列:

[1, 2, 4, 8, 16, 61, 122, 173, 244, 346, 488, 692, 976, 1384, 2768, 10553, 11717, 21106, 23434, 42212, 46868, 84424, 93736, 168848, 187472, 714737, 1429474, 2027041, 2858948, 4054082, 5717896, 8108164, 11435792, 16216328, 32432656, 123649501, 247299002, 494598004, 989196008, 1978392016]

約数ペア:

[(1, 1978392016), (2, 989196008), (4, 494598004), (8, 247299002), (16, 123649501), (61, 32432656), (122, 16216328), (173, 11435792), (244, 8108164), (346, 5717896), (488, 4054082), (692, 2858948), (976, 2027041), (1384, 1429474), (2768, 714737), (10553, 187472), (11717, 168848), (21106, 93736), (23434, 84424), (42212, 46868)]