81136172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{5399}}^1$

素因数の和:5450

約数の個数: 36

約数和(自身を含む): 162464400

約数和(自身を除く): 81328228

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 3757, 5399, 7514, 10798, 15028, 21596, 70187, 91783, 140374, 183566, 280748, 367132, 1193179, 1560311, 2386358, 3120622, 4772716, 6241244, 20284043, 40568086, 81136172]

約数ペア:

[(1, 81136172), (2, 40568086), (4, 20284043), (13, 6241244), (17, 4772716), (26, 3120622), (34, 2386358), (52, 1560311), (68, 1193179), (221, 367132), (289, 280748), (442, 183566), (578, 140374), (884, 91783), (1156, 70187), (3757, 21596), (5399, 15028), (7514, 10798)]