671862009

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 1128960000

約数和(自身を除く): 457097991

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 149, 199, 249, 273, 447, 581, 597, 1043, 1079, 1393, 1743, 1937, 2587, 3129, 3237, 4179, 5811, 7553, 7761, 12367, 13559, 16517, 18109, 22659, 29651, 37101, 40677, 49551, 54327, 86569, 88953, 115619, 160771, 207557, 214721, 259707, 346857, 385463, 482313, 622671, 644163, 1125397, 1156389, 1503047, 2461033, 2698241, 3376191, 4509141, 7383099, 8094723, 17227231, 31993429, 51681693, 95980287, 223954003, 671862009]

約数ペア:

[(1, 671862009), (3, 223954003), (7, 95980287), (13, 51681693), (21, 31993429), (39, 17227231), (83, 8094723), (91, 7383099), (149, 4509141), (199, 3376191), (249, 2698241), (273, 2461033), (447, 1503047), (581, 1156389), (597, 1125397), (1043, 644163), (1079, 622671), (1393, 482313), (1743, 385463), (1937, 346857), (2587, 259707), (3129, 214721), (3237, 207557), (4179, 160771), (5811, 115619), (7553, 88953), (7761, 86569), (12367, 54327), (13559, 49551), (16517, 40677), (18109, 37101), (22659, 29651)]