221006812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 436230144

約数和(自身を除く): 215223332

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 71, 124, 142, 284, 403, 806, 923, 1612, 1846, 1931, 2201, 3692, 3862, 4402, 7724, 8804, 25103, 28613, 50206, 57226, 59861, 100412, 114452, 119722, 137101, 239444, 274202, 548404, 778193, 1556386, 1782313, 3112772, 3564626, 4250131, 7129252, 8500262, 17000524, 55251703, 110503406, 221006812]

約数ペア:

[(1, 221006812), (2, 110503406), (4, 55251703), (13, 17000524), (26, 8500262), (31, 7129252), (52, 4250131), (62, 3564626), (71, 3112772), (124, 1782313), (142, 1556386), (284, 778193), (403, 548404), (806, 274202), (923, 239444), (1612, 137101), (1846, 119722), (1931, 114452), (2201, 100412), (3692, 59861), (3862, 57226), (4402, 50206), (7724, 28613), (8804, 25103)]