161218850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2557}}^1$

素因数の和:2679

約数の個数: 48

約数和(自身を含む): 326390568

約数和(自身を除く): 165171718

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 194, 325, 485, 650, 970, 1261, 2425, 2522, 2557, 4850, 5114, 6305, 12610, 12785, 25570, 31525, 33241, 63050, 63925, 66482, 127850, 166205, 248029, 332410, 496058, 831025, 1240145, 1662050, 2480290, 3224377, 6200725, 6448754, 12401450, 16121885, 32243770, 80609425, 161218850]

約数ペア:

[(1, 161218850), (2, 80609425), (5, 32243770), (10, 16121885), (13, 12401450), (25, 6448754), (26, 6200725), (50, 3224377), (65, 2480290), (97, 1662050), (130, 1240145), (194, 831025), (325, 496058), (485, 332410), (650, 248029), (970, 166205), (1261, 127850), (2425, 66482), (2522, 63925), (2557, 63050), (4850, 33241), (5114, 31525), (6305, 25570), (12610, 12785)]