83865850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 163846656

約数和(自身を除く): 79980806

約数列:

[1, 2, 5, 10, 25, 31, 50, 61, 62, 122, 155, 305, 310, 610, 775, 887, 1525, 1550, 1774, 1891, 3050, 3782, 4435, 8870, 9455, 18910, 22175, 27497, 44350, 47275, 54107, 54994, 94550, 108214, 137485, 270535, 274970, 541070, 687425, 1352675, 1374850, 1677317, 2705350, 3354634, 8386585, 16773170, 41932925, 83865850]

約数ペア:

[(1, 83865850), (2, 41932925), (5, 16773170), (10, 8386585), (25, 3354634), (31, 2705350), (50, 1677317), (61, 1374850), (62, 1352675), (122, 687425), (155, 541070), (305, 274970), (310, 270535), (610, 137485), (775, 108214), (887, 94550), (1525, 54994), (1550, 54107), (1774, 47275), (1891, 44350), (3050, 27497), (3782, 22175), (4435, 18910), (8870, 9455)]