397310459

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1283}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 507354624

約数和(自身を除く): 110044165

約数列:

[1, 7, 13, 41, 83, 91, 287, 533, 581, 1079, 1283, 3403, 3731, 7553, 8981, 16679, 23821, 44239, 52603, 106489, 116753, 309673, 368221, 683839, 745423, 1384357, 4366049, 4786873, 9690499, 30562343, 56758637, 397310459]

約数ペア:

[(1, 397310459), (7, 56758637), (13, 30562343), (41, 9690499), (83, 4786873), (91, 4366049), (287, 1384357), (533, 745423), (581, 683839), (1079, 368221), (1283, 309673), (3403, 116753), (3731, 106489), (7553, 52603), (8981, 44239), (16679, 23821)]