128880488

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 267298080

約数和(自身を除く): 138417592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 211, 242, 422, 484, 631, 844, 968, 1262, 1688, 2321, 2524, 4642, 5048, 6941, 9284, 13882, 18568, 25531, 27764, 51062, 55528, 76351, 102124, 133141, 152702, 204248, 266282, 305404, 532564, 610808, 1065128, 1464551, 2929102, 5858204, 11716408, 16110061, 32220122, 64440244, 128880488]

約数ペア:

[(1, 128880488), (2, 64440244), (4, 32220122), (8, 16110061), (11, 11716408), (22, 5858204), (44, 2929102), (88, 1464551), (121, 1065128), (211, 610808), (242, 532564), (422, 305404), (484, 266282), (631, 204248), (844, 152702), (968, 133141), (1262, 102124), (1688, 76351), (2321, 55528), (2524, 51062), (4642, 27764), (5048, 25531), (6941, 18568), (9284, 13882)]