1279591105

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 1772356464

約数和(自身を除く): 492765359

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 281, 317, 845, 1105, 1405, 1585, 2873, 3653, 4121, 4777, 5389, 14365, 18265, 20605, 23885, 26945, 47489, 53573, 62101, 70057, 89077, 237445, 267865, 310505, 350285, 445385, 807313, 910741, 1158001, 1514309, 4036565, 4553705, 5790005, 7571545, 15054013, 19686017, 75270065, 98430085, 255918221, 1279591105]

約数ペア:

[(1, 1279591105), (5, 255918221), (13, 98430085), (17, 75270065), (65, 19686017), (85, 15054013), (169, 7571545), (221, 5790005), (281, 4553705), (317, 4036565), (845, 1514309), (1105, 1158001), (1405, 910741), (1585, 807313), (2873, 445385), (3653, 350285), (4121, 310505), (4777, 267865), (5389, 237445), (14365, 89077), (18265, 70057), (20605, 62101), (23885, 53573), (26945, 47489)]