78578318

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 155675520

約数和(自身を除く): 77097202

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 109, 119, 182, 218, 221, 233, 238, 442, 466, 763, 1417, 1526, 1547, 1631, 1853, 2834, 3029, 3094, 3262, 3706, 3961, 6058, 7922, 9919, 12971, 19838, 21203, 24089, 25397, 25942, 27727, 42406, 48178, 50794, 51493, 55454, 102986, 168623, 177779, 330161, 337246, 355558, 360451, 431749, 660322, 720902, 863498, 2311127, 3022243, 4622254, 5612737, 6044486, 11225474, 39289159, 78578318]

約数ペア:

[(1, 78578318), (2, 39289159), (7, 11225474), (13, 6044486), (14, 5612737), (17, 4622254), (26, 3022243), (34, 2311127), (91, 863498), (109, 720902), (119, 660322), (182, 431749), (218, 360451), (221, 355558), (233, 337246), (238, 330161), (442, 177779), (466, 168623), (763, 102986), (1417, 55454), (1526, 51493), (1547, 50794), (1631, 48178), (1853, 42406), (2834, 27727), (3029, 25942), (3094, 25397), (3262, 24089), (3706, 21203), (3961, 19838), (6058, 12971), (7922, 9919)]