778833341936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{21643879}}^1$

素因数の和:21644073

約数の個数: 40

約数和(自身を含む): 1634459242080

約数和(自身を除く): 855625900144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 173, 208, 346, 692, 1384, 2249, 2768, 4498, 8996, 17992, 35984, 21643879, 43287758, 86575516, 173151032, 281370427, 346302064, 562740854, 1125481708, 2250963416, 3744391067, 4501926832, 7488782134, 14977564268, 29955128536, 48677083871, 59910257072, 97354167742, 194708335484, 389416670968, 778833341936]

約数ペア:

[(1, 778833341936), (2, 389416670968), (4, 194708335484), (8, 97354167742), (13, 59910257072), (16, 48677083871), (26, 29955128536), (52, 14977564268), (104, 7488782134), (173, 4501926832), (208, 3744391067), (346, 2250963416), (692, 1125481708), (1384, 562740854), (2249, 346302064), (2768, 281370427), (4498, 173151032), (8996, 86575516), (17992, 43287758), (35984, 21643879)]