678889204

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1\times {\mathrm{997}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 1380210048

約数和(自身を除く): 701320844

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 293, 332, 581, 586, 997, 1162, 1172, 1994, 2051, 2324, 3988, 4102, 6979, 8204, 13958, 24319, 27916, 48638, 82751, 97276, 165502, 170233, 292121, 331004, 340466, 579257, 584242, 680932, 1158514, 1168484, 2044847, 2317028, 4089694, 8179388, 24246043, 48492086, 96984172, 169722301, 339444602, 678889204]

約数ペア:

[(1, 678889204), (2, 339444602), (4, 169722301), (7, 96984172), (14, 48492086), (28, 24246043), (83, 8179388), (166, 4089694), (293, 2317028), (332, 2044847), (581, 1168484), (586, 1158514), (997, 680932), (1162, 584242), (1172, 579257), (1994, 340466), (2051, 331004), (2324, 292121), (3988, 170233), (4102, 165502), (6979, 97276), (8204, 82751), (13958, 48638), (24319, 27916)]