678793072

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{347}}^1\times {\mathrm{1187}}^1$

素因数の和:1645

約数の個数: 40

約数和(自身を含む): 1332878976

約数和(自身を除く): 654085904

約数列:

[1, 2, 4, 8, 16, 103, 206, 347, 412, 694, 824, 1187, 1388, 1648, 2374, 2776, 4748, 5552, 9496, 18992, 35741, 71482, 122261, 142964, 244522, 285928, 411889, 489044, 571856, 823778, 978088, 1647556, 1956176, 3295112, 6590224, 42424567, 84849134, 169698268, 339396536, 678793072]

約数ペア:

[(1, 678793072), (2, 339396536), (4, 169698268), (8, 84849134), (16, 42424567), (103, 6590224), (206, 3295112), (347, 1956176), (412, 1647556), (694, 978088), (824, 823778), (1187, 571856), (1388, 489044), (1648, 411889), (2374, 285928), (2776, 244522), (4748, 142964), (5552, 122261), (9496, 71482), (18992, 35741)]