245896838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 408360960

約数和(自身を除く): 162464122

約数列:

[1, 2, 11, 22, 139, 191, 278, 382, 421, 842, 1529, 2101, 3058, 4202, 4631, 9262, 26549, 53098, 58519, 80411, 117038, 160822, 292039, 584078, 643709, 884521, 1287418, 1769042, 11177129, 22354258, 122948419, 245896838]

約数ペア:

[(1, 245896838), (2, 122948419), (11, 22354258), (22, 11177129), (139, 1769042), (191, 1287418), (278, 884521), (382, 643709), (421, 584078), (842, 292039), (1529, 160822), (2101, 117038), (3058, 80411), (4202, 58519), (4631, 53098), (9262, 26549)]