1645384

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{1217}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 3343410

約数和(自身を除く): 1698026

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1217, 1352, 2434, 4868, 9736, 15821, 31642, 63284, 126568, 205673, 411346, 822692, 1645384]

約数ペア:

[(1, 1645384), (2, 822692), (4, 411346), (8, 205673), (13, 126568), (26, 63284), (52, 31642), (104, 15821), (169, 9736), (338, 4868), (676, 2434), (1217, 1352)]