89943788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 177496704

約数和(自身を除く): 87552916

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 137, 172, 274, 347, 473, 548, 694, 946, 1388, 1507, 1892, 3014, 3817, 5891, 6028, 7634, 11782, 14921, 15268, 23564, 29842, 47539, 59684, 64801, 95078, 129602, 164131, 190156, 259204, 328262, 522929, 656524, 1045858, 2044177, 2091716, 4088354, 8176708, 22485947, 44971894, 89943788]

約数ペア:

[(1, 89943788), (2, 44971894), (4, 22485947), (11, 8176708), (22, 4088354), (43, 2091716), (44, 2044177), (86, 1045858), (137, 656524), (172, 522929), (274, 328262), (347, 259204), (473, 190156), (548, 164131), (694, 129602), (946, 95078), (1388, 64801), (1507, 59684), (1892, 47539), (3014, 29842), (3817, 23564), (5891, 15268), (6028, 14921), (7634, 11782)]