289920996

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{16139}}^1$

素因数の和:16648

約数の個数: 36

約数和(自身を含む): 734370000

約数和(自身を除く): 444449004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1497, 1996, 2994, 4491, 5988, 8982, 16139, 17964, 32278, 48417, 64556, 96834, 145251, 193668, 290502, 581004, 8053361, 16106722, 24160083, 32213444, 48320166, 72480249, 96640332, 144960498, 289920996]

約数ペア:

[(1, 289920996), (2, 144960498), (3, 96640332), (4, 72480249), (6, 48320166), (9, 32213444), (12, 24160083), (18, 16106722), (36, 8053361), (499, 581004), (998, 290502), (1497, 193668), (1996, 145251), (2994, 96834), (4491, 64556), (5988, 48417), (8982, 32278), (16139, 17964)]