289794310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{31397}}^1$

素因数の和:31488

約数の個数: 32

約数和(自身を含む): 569685312

約数和(自身を除く): 279891002

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 31397, 62794, 156985, 313970, 408161, 816322, 2040805, 2229187, 4081610, 4458374, 11145935, 22291870, 28979431, 57958862, 144897155, 289794310]

約数ペア:

[(1, 289794310), (2, 144897155), (5, 57958862), (10, 28979431), (13, 22291870), (26, 11145935), (65, 4458374), (71, 4081610), (130, 2229187), (142, 2040805), (355, 816322), (710, 408161), (923, 313970), (1846, 156985), (4615, 62794), (9230, 31397)]