1285494861

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1997}}^1$

素因数の和:2194

約数の個数: 48

約数和(自身を含む): 2077280640

約数和(自身を除く): 791785779

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 151, 203, 453, 609, 1057, 1421, 1997, 3171, 4263, 4379, 5991, 7399, 13137, 13979, 22197, 30653, 41937, 57913, 91959, 97853, 173739, 214571, 293559, 301547, 405391, 643713, 904641, 1216173, 2110829, 2837737, 6332487, 8513211, 8744863, 14775803, 26234589, 44327409, 61214041, 183642123, 428498287, 1285494861]

約数ペア:

[(1, 1285494861), (3, 428498287), (7, 183642123), (21, 61214041), (29, 44327409), (49, 26234589), (87, 14775803), (147, 8744863), (151, 8513211), (203, 6332487), (453, 2837737), (609, 2110829), (1057, 1216173), (1421, 904641), (1997, 643713), (3171, 405391), (4263, 301547), (4379, 293559), (5991, 214571), (7399, 173739), (13137, 97853), (13979, 91959), (22197, 57913), (30653, 41937)]