79971808

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21001}}^1$

素因数の和:21035

約数の個数: 48

約数和(自身を含む): 190530144

約数和(自身を除く): 110558336

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 21001, 42002, 84004, 147007, 168008, 294014, 336016, 357017, 588028, 672032, 714034, 1176056, 1428068, 2352112, 2499119, 2856136, 4704224, 4998238, 5712272, 9996476, 11424544, 19992952, 39985904, 79971808]

約数ペア:

[(1, 79971808), (2, 39985904), (4, 19992952), (7, 11424544), (8, 9996476), (14, 5712272), (16, 4998238), (17, 4704224), (28, 2856136), (32, 2499119), (34, 2352112), (56, 1428068), (68, 1176056), (112, 714034), (119, 672032), (136, 588028), (224, 357017), (238, 336016), (272, 294014), (476, 168008), (544, 147007), (952, 84004), (1904, 42002), (3808, 21001)]