218457278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{106357}}^1$

素因数の和:106451

約数の個数: 16

約数和(自身を含む): 357362880

約数和(自身を除く): 138905602

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 106357, 212714, 1382641, 2765282, 8402203, 16804406, 109228639, 218457278]

約数ペア:

[(1, 218457278), (2, 109228639), (13, 16804406), (26, 8402203), (79, 2765282), (158, 1382641), (1027, 212714), (2054, 106357)]