25505564

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 52704960

約数和(自身を除く): 27199396

約数列:

[1, 2, 4, 7, 14, 28, 61, 109, 122, 137, 218, 244, 274, 427, 436, 548, 763, 854, 959, 1526, 1708, 1918, 3052, 3836, 6649, 8357, 13298, 14933, 16714, 26596, 29866, 33428, 46543, 58499, 59732, 93086, 104531, 116998, 186172, 209062, 233996, 418124, 910913, 1821826, 3643652, 6376391, 12752782, 25505564]

約数ペア:

[(1, 25505564), (2, 12752782), (4, 6376391), (7, 3643652), (14, 1821826), (28, 910913), (61, 418124), (109, 233996), (122, 209062), (137, 186172), (218, 116998), (244, 104531), (274, 93086), (427, 59732), (436, 58499), (548, 46543), (763, 33428), (854, 29866), (959, 26596), (1526, 16714), (1708, 14933), (1918, 13298), (3052, 8357), (3836, 6649)]