408021978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{32491}}^1$

素因数の和:32539

約数の個数: 64

約数和(自身を含む): 1048061952

約数和(自身を除く): 640039974

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 182, 273, 299, 322, 483, 546, 598, 897, 966, 1794, 2093, 4186, 6279, 12558, 32491, 64982, 97473, 194946, 227437, 422383, 454874, 682311, 747293, 844766, 1267149, 1364622, 1494586, 2241879, 2534298, 2956681, 4483758, 5231051, 5913362, 8870043, 9714809, 10462102, 15693153, 17740086, 19429618, 29144427, 31386306, 58288854, 68003663, 136007326, 204010989, 408021978]

約数ペア:

[(1, 408021978), (2, 204010989), (3, 136007326), (6, 68003663), (7, 58288854), (13, 31386306), (14, 29144427), (21, 19429618), (23, 17740086), (26, 15693153), (39, 10462102), (42, 9714809), (46, 8870043), (69, 5913362), (78, 5231051), (91, 4483758), (138, 2956681), (161, 2534298), (182, 2241879), (273, 1494586), (299, 1364622), (322, 1267149), (483, 844766), (546, 747293), (598, 682311), (897, 454874), (966, 422383), (1794, 227437), (2093, 194946), (4186, 97473), (6279, 64982), (12558, 32491)]