991254712

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{32009}}^1$

素因数の和:32108

約数の個数: 48

約数和(自身を含む): 2189484000

約数和(自身を除く): 1198229288

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 632, 1106, 2212, 3871, 4424, 7742, 15484, 30968, 32009, 64018, 128036, 224063, 256072, 448126, 896252, 1568441, 1792504, 2528711, 3136882, 5057422, 6273764, 10114844, 12547528, 17700977, 20229688, 35401954, 70803908, 123906839, 141607816, 247813678, 495627356, 991254712]

約数ペア:

[(1, 991254712), (2, 495627356), (4, 247813678), (7, 141607816), (8, 123906839), (14, 70803908), (28, 35401954), (49, 20229688), (56, 17700977), (79, 12547528), (98, 10114844), (158, 6273764), (196, 5057422), (316, 3136882), (392, 2528711), (553, 1792504), (632, 1568441), (1106, 896252), (2212, 448126), (3871, 256072), (4424, 224063), (7742, 128036), (15484, 64018), (30968, 32009)]