156978692

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{232217}}^1$

素因数の和:232247

約数の個数: 18

約数和(自身を含む): 297471258

約数和(自身を除く): 140492566

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 232217, 464434, 928868, 3018821, 6037642, 12075284, 39244673, 78489346, 156978692]

約数ペア:

[(1, 156978692), (2, 78489346), (4, 39244673), (13, 12075284), (26, 6037642), (52, 3018821), (169, 928868), (338, 464434), (676, 232217)]