201991295992

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{146407}}^1$

素因数の和:146588

約数の個数: 64

約数和(自身を含む): 400572288000

約数和(自身を除く): 198580992008

約数列:

[1, 2, 4, 8, 37, 59, 74, 79, 118, 148, 158, 236, 296, 316, 472, 632, 2183, 2923, 4366, 4661, 5846, 8732, 9322, 11692, 17464, 18644, 23384, 37288, 146407, 172457, 292814, 344914, 585628, 689828, 1171256, 1379656, 5417059, 8638013, 10834118, 11566153, 17276026, 21668236, 23132306, 34552052, 43336472, 46264612, 69104104, 92529224, 319606481, 427947661, 639212962, 682403027, 855895322, 1278425924, 1364806054, 1711790644, 2556851848, 2729612108, 3423581288, 5459224216, 25248911999, 50497823998, 100995647996, 201991295992]

約数ペア:

[(1, 201991295992), (2, 100995647996), (4, 50497823998), (8, 25248911999), (37, 5459224216), (59, 3423581288), (74, 2729612108), (79, 2556851848), (118, 1711790644), (148, 1364806054), (158, 1278425924), (236, 855895322), (296, 682403027), (316, 639212962), (472, 427947661), (632, 319606481), (2183, 92529224), (2923, 69104104), (4366, 46264612), (4661, 43336472), (5846, 34552052), (8732, 23132306), (9322, 21668236), (11692, 17276026), (17464, 11566153), (18644, 10834118), (23384, 8638013), (37288, 5417059), (146407, 1379656), (172457, 1171256), (292814, 689828), (344914, 585628)]