28974608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139301}}^1$

素因数の和:139322

約数の個数: 20

約数和(自身を含む): 60457068

約数和(自身を除く): 31482460

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139301, 278602, 557204, 1114408, 1810913, 2228816, 3621826, 7243652, 14487304, 28974608]

約数ペア:

[(1, 28974608), (2, 14487304), (4, 7243652), (8, 3621826), (13, 2228816), (16, 1810913), (26, 1114408), (52, 557204), (104, 278602), (208, 139301)]