279898424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{141649}}^1$

素因数の和:141687

約数の個数: 32

約数和(自身を含む): 594930000

約数和(自身を除く): 315031576

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 141649, 283298, 566596, 1133192, 1841437, 2691331, 3682874, 5382662, 7365748, 10765324, 14731496, 21530648, 34987303, 69974606, 139949212, 279898424]

約数ペア:

[(1, 279898424), (2, 139949212), (4, 69974606), (8, 34987303), (13, 21530648), (19, 14731496), (26, 10765324), (38, 7365748), (52, 5382662), (76, 3682874), (104, 2691331), (152, 1841437), (247, 1133192), (494, 566596), (988, 283298), (1976, 141649)]