78312572

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 158884992

約数和(自身を除く): 80572420

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 101, 124, 148, 169, 202, 338, 403, 404, 481, 676, 806, 962, 1147, 1313, 1612, 1924, 2294, 2626, 3131, 3737, 4588, 5239, 5252, 6253, 6262, 7474, 10478, 12506, 12524, 14911, 14948, 17069, 20956, 25012, 29822, 34138, 40703, 48581, 59644, 68276, 81406, 97162, 115847, 162812, 193843, 194324, 231694, 387686, 463388, 529139, 631553, 775372, 1058278, 1263106, 1506011, 2116556, 2526212, 3012022, 6024044, 19578143, 39156286, 78312572]

約数ペア:

[(1, 78312572), (2, 39156286), (4, 19578143), (13, 6024044), (26, 3012022), (31, 2526212), (37, 2116556), (52, 1506011), (62, 1263106), (74, 1058278), (101, 775372), (124, 631553), (148, 529139), (169, 463388), (202, 387686), (338, 231694), (403, 194324), (404, 193843), (481, 162812), (676, 115847), (806, 97162), (962, 81406), (1147, 68276), (1313, 59644), (1612, 48581), (1924, 40703), (2294, 34138), (2626, 29822), (3131, 25012), (3737, 20956), (4588, 17069), (5239, 14948), (5252, 14911), (6253, 12524), (6262, 12506), (7474, 10478)]