217877984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5641}}^1$

素因数の和:5739

約数の個数: 48

約数和(自身を含む): 460658016

約数和(自身を除く): 242780032

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 544, 568, 1136, 1207, 2272, 2414, 4828, 5641, 9656, 11282, 19312, 22564, 38624, 45128, 90256, 95897, 180512, 191794, 383588, 400511, 767176, 801022, 1534352, 1602044, 3068704, 3204088, 6408176, 6808687, 12816352, 13617374, 27234748, 54469496, 108938992, 217877984]

約数ペア:

[(1, 217877984), (2, 108938992), (4, 54469496), (8, 27234748), (16, 13617374), (17, 12816352), (32, 6808687), (34, 6408176), (68, 3204088), (71, 3068704), (136, 1602044), (142, 1534352), (272, 801022), (284, 767176), (544, 400511), (568, 383588), (1136, 191794), (1207, 180512), (2272, 95897), (2414, 90256), (4828, 45128), (5641, 38624), (9656, 22564), (11282, 19312)]