172120364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{23813}}^1$

素因数の和:23969

約数の個数: 24

約数和(自身を含む): 326728080

約数和(自身を除く): 154607716

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 23813, 47626, 95252, 309569, 619138, 1238276, 3310007, 6620014, 13240028, 43030091, 86060182, 172120364]

約数ペア:

[(1, 172120364), (2, 86060182), (4, 43030091), (13, 13240028), (26, 6620014), (52, 3310007), (139, 1238276), (278, 619138), (556, 309569), (1807, 95252), (3614, 47626), (7228, 23813)]