278817422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2659}}^1$

素因数の和:2820

約数の個数: 32

約数和(自身を含む): 466989600

約数和(自身を除く): 188172178

約数列:

[1, 2, 13, 26, 37, 74, 109, 218, 481, 962, 1417, 2659, 2834, 4033, 5318, 8066, 34567, 52429, 69134, 98383, 104858, 196766, 289831, 579662, 1278979, 2557958, 3767803, 7535606, 10723747, 21447494, 139408711, 278817422]

約数ペア:

[(1, 278817422), (2, 139408711), (13, 21447494), (26, 10723747), (37, 7535606), (74, 3767803), (109, 2557958), (218, 1278979), (481, 579662), (962, 289831), (1417, 196766), (2659, 104858), (2834, 98383), (4033, 69134), (5318, 52429), (8066, 34567)]