72811895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 103692960

約数和(自身を除く): 30881065

約数列:

[1, 5, 13, 19, 29, 65, 95, 107, 145, 247, 361, 377, 535, 551, 1235, 1391, 1805, 1885, 2033, 2755, 3103, 4693, 6955, 7163, 10165, 10469, 15515, 23465, 26429, 35815, 38627, 40339, 52345, 58957, 132145, 136097, 193135, 201695, 294785, 502151, 680485, 766441, 1120183, 2510755, 3832205, 5600915, 14562379, 72811895]

約数ペア:

[(1, 72811895), (5, 14562379), (13, 5600915), (19, 3832205), (29, 2510755), (65, 1120183), (95, 766441), (107, 680485), (145, 502151), (247, 294785), (361, 201695), (377, 193135), (535, 136097), (551, 132145), (1235, 58957), (1391, 52345), (1805, 40339), (1885, 38627), (2033, 35815), (2755, 26429), (3103, 23465), (4693, 15515), (6955, 10469), (7163, 10165)]