399478586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{1129}}^1$

素因数の和:1614

約数の個数: 32

約数和(自身を含む): 668236800

約数和(自身を除く): 268758214

約数列:

[1, 2, 13, 26, 31, 62, 403, 439, 806, 878, 1129, 2258, 5707, 11414, 13609, 14677, 27218, 29354, 34999, 69998, 176917, 353834, 454987, 495631, 909974, 991262, 6443203, 12886406, 15364561, 30729122, 199739293, 399478586]

約数ペア:

[(1, 399478586), (2, 199739293), (13, 30729122), (26, 15364561), (31, 12886406), (62, 6443203), (403, 991262), (439, 909974), (806, 495631), (878, 454987), (1129, 353834), (2258, 176917), (5707, 69998), (11414, 34999), (13609, 29354), (14677, 27218)]