81560644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 165110400

約数和(自身を除く): 83549756

約数列:

[1, 2, 4, 11, 22, 29, 41, 44, 58, 82, 116, 164, 319, 451, 638, 902, 1189, 1276, 1559, 1804, 2378, 3118, 4756, 6236, 13079, 17149, 26158, 34298, 45211, 52316, 63919, 68596, 90422, 127838, 180844, 255676, 497321, 703109, 994642, 1406218, 1853651, 1989284, 2812436, 3707302, 7414604, 20390161, 40780322, 81560644]

約数ペア:

[(1, 81560644), (2, 40780322), (4, 20390161), (11, 7414604), (22, 3707302), (29, 2812436), (41, 1989284), (44, 1853651), (58, 1406218), (82, 994642), (116, 703109), (164, 497321), (319, 255676), (451, 180844), (638, 127838), (902, 90422), (1189, 68596), (1276, 63919), (1559, 52316), (1804, 45211), (2378, 34298), (3118, 26158), (4756, 17149), (6236, 13079)]