8240648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 9903352

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 59, 68, 79, 104, 118, 136, 158, 221, 236, 316, 442, 472, 632, 767, 884, 1003, 1027, 1343, 1534, 1768, 2006, 2054, 2686, 3068, 4012, 4108, 4661, 5372, 6136, 8024, 8216, 9322, 10744, 13039, 17459, 18644, 26078, 34918, 37288, 52156, 60593, 69836, 79237, 104312, 121186, 139672, 158474, 242372, 316948, 484744, 633896, 1030081, 2060162, 4120324, 8240648]

約数ペア:

[(1, 8240648), (2, 4120324), (4, 2060162), (8, 1030081), (13, 633896), (17, 484744), (26, 316948), (34, 242372), (52, 158474), (59, 139672), (68, 121186), (79, 104312), (104, 79237), (118, 69836), (136, 60593), (158, 52156), (221, 37288), (236, 34918), (316, 26078), (442, 18644), (472, 17459), (632, 13039), (767, 10744), (884, 9322), (1003, 8216), (1027, 8024), (1343, 6136), (1534, 5372), (1768, 4661), (2006, 4108), (2054, 4012), (2686, 3068)]