1687556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 3556224

約数和(自身を除く): 1868668

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 83, 92, 166, 221, 299, 332, 391, 442, 598, 782, 884, 1079, 1196, 1411, 1564, 1909, 2158, 2822, 3818, 4316, 5083, 5644, 7636, 10166, 18343, 20332, 24817, 32453, 36686, 49634, 64906, 73372, 99268, 129812, 421889, 843778, 1687556]

約数ペア:

[(1, 1687556), (2, 843778), (4, 421889), (13, 129812), (17, 99268), (23, 73372), (26, 64906), (34, 49634), (46, 36686), (52, 32453), (68, 24817), (83, 20332), (92, 18343), (166, 10166), (221, 7636), (299, 5644), (332, 5083), (391, 4316), (442, 3818), (598, 2822), (782, 2158), (884, 1909), (1079, 1564), (1196, 1411)]