688581296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{4919}}^1$

素因数の和:5613

約数の個数: 40

約数和(自身を含む): 1439178720

約数和(自身を除く): 750597424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 673, 1346, 2692, 4919, 5384, 8749, 9838, 10768, 17498, 19676, 34996, 39352, 63947, 69992, 78704, 127894, 139984, 255788, 511576, 1023152, 3310487, 6620974, 13241948, 26483896, 43036331, 52967792, 86072662, 172145324, 344290648, 688581296]

約数ペア:

[(1, 688581296), (2, 344290648), (4, 172145324), (8, 86072662), (13, 52967792), (16, 43036331), (26, 26483896), (52, 13241948), (104, 6620974), (208, 3310487), (673, 1023152), (1346, 511576), (2692, 255788), (4919, 139984), (5384, 127894), (8749, 78704), (9838, 69992), (10768, 63947), (17498, 39352), (19676, 34996)]