2816905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 4290048

約数和(自身を除く): 1473143

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 151, 205, 287, 455, 533, 755, 1057, 1435, 1963, 2665, 3731, 5285, 6191, 9815, 13741, 18655, 30955, 43337, 68705, 80483, 216685, 402415, 563381, 2816905]

約数ペア:

[(1, 2816905), (5, 563381), (7, 402415), (13, 216685), (35, 80483), (41, 68705), (65, 43337), (91, 30955), (151, 18655), (205, 13741), (287, 9815), (455, 6191), (533, 5285), (755, 3731), (1057, 2665), (1435, 1963)]