90578168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9769}}^1$

素因数の和:9855

約数の個数: 32

約数和(自身を含む): 181722000

約数和(自身を除く): 91143832

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2318, 4636, 9272, 9769, 19538, 39076, 78152, 185611, 371222, 595909, 742444, 1191818, 1484888, 2383636, 4767272, 11322271, 22644542, 45289084, 90578168]

約数ペア:

[(1, 90578168), (2, 45289084), (4, 22644542), (8, 11322271), (19, 4767272), (38, 2383636), (61, 1484888), (76, 1191818), (122, 742444), (152, 595909), (244, 371222), (488, 185611), (1159, 78152), (2318, 39076), (4636, 19538), (9272, 9769)]