90639784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21499}}^1$

素因数の和:21553

約数の個数: 32

約数和(自身を含む): 185760000

約数和(自身を除く): 95120216

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 21499, 42998, 85996, 171992, 365483, 666469, 730966, 1332938, 1461932, 2665876, 2923864, 5331752, 11329973, 22659946, 45319892, 90639784]

約数ペア:

[(1, 90639784), (2, 45319892), (4, 22659946), (8, 11329973), (17, 5331752), (31, 2923864), (34, 2665876), (62, 1461932), (68, 1332938), (124, 730966), (136, 666469), (248, 365483), (527, 171992), (1054, 85996), (2108, 42998), (4216, 21499)]