25191628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 30449972

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 919, 979, 1246, 1838, 1958, 2492, 3676, 3916, 6433, 6853, 10109, 12866, 13706, 20218, 25732, 27412, 40436, 70763, 81791, 141526, 163582, 283052, 327164, 572537, 899701, 1145074, 1799402, 2290148, 3598804, 6297907, 12595814, 25191628]

約数ペア:

[(1, 25191628), (2, 12595814), (4, 6297907), (7, 3598804), (11, 2290148), (14, 1799402), (22, 1145074), (28, 899701), (44, 572537), (77, 327164), (89, 283052), (154, 163582), (178, 141526), (308, 81791), (356, 70763), (623, 40436), (919, 27412), (979, 25732), (1246, 20218), (1838, 13706), (1958, 12866), (2492, 10109), (3676, 6853), (3916, 6433)]