128724286

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{6911}}^1$

素因数の和:7119

約数の個数: 16

約数和(自身を含む): 197406720

約数和(自身を除く): 68682434

約数列:

[1, 2, 67, 134, 139, 278, 6911, 9313, 13822, 18626, 463037, 926074, 960629, 1921258, 64362143, 128724286]

約数ペア:

[(1, 128724286), (2, 64362143), (67, 1921258), (134, 960629), (139, 926074), (278, 463037), (6911, 18626), (9313, 13822)]