640432930366

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{42577}}^1$

素因数の和:42809

約数の個数: 64

約数和(自身を含む): 1043780935680

約数和(自身を除く): 403348005314

約数列:

[1, 2, 31, 37, 62, 74, 79, 83, 158, 166, 1147, 2294, 2449, 2573, 2923, 3071, 4898, 5146, 5846, 6142, 6557, 13114, 42577, 85154, 90613, 95201, 181226, 190402, 203267, 242609, 406534, 485218, 1319887, 1575349, 2639774, 3150698, 3363583, 3533891, 6727166, 7067782, 7520879, 15041758, 48835819, 97671638, 104271073, 109550621, 124452571, 130753967, 208542146, 219101242, 248905142, 261507934, 279177389, 558354778, 3858029701, 4053372977, 7716059402, 8106745954, 8654499059, 10329563393, 17308998118, 20659126786, 320216465183, 640432930366]

約数ペア:

[(1, 640432930366), (2, 320216465183), (31, 20659126786), (37, 17308998118), (62, 10329563393), (74, 8654499059), (79, 8106745954), (83, 7716059402), (158, 4053372977), (166, 3858029701), (1147, 558354778), (2294, 279177389), (2449, 261507934), (2573, 248905142), (2923, 219101242), (3071, 208542146), (4898, 130753967), (5146, 124452571), (5846, 109550621), (6142, 104271073), (6557, 97671638), (13114, 48835819), (42577, 15041758), (85154, 7520879), (90613, 7067782), (95201, 6727166), (181226, 3533891), (190402, 3363583), (203267, 3150698), (242609, 2639774), (406534, 1575349), (485218, 1319887)]