28485839908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{18461}}^1$

素因数の和:18820

約数の個数: 48

約数和(自身を含む): 53347795200

約数和(自身を除く): 24861955292

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 257, 316, 514, 1028, 1501, 3002, 4883, 6004, 9766, 18461, 19532, 20303, 36922, 40606, 73844, 81212, 350759, 385757, 701518, 771514, 1403036, 1458419, 1543028, 2916838, 4744477, 5833676, 9488954, 18977908, 27709961, 55419922, 90145063, 110839844, 180290126, 360580252, 374813683, 749627366, 1499254732, 7121459977, 14242919954, 28485839908]

約数ペア:

[(1, 28485839908), (2, 14242919954), (4, 7121459977), (19, 1499254732), (38, 749627366), (76, 374813683), (79, 360580252), (158, 180290126), (257, 110839844), (316, 90145063), (514, 55419922), (1028, 27709961), (1501, 18977908), (3002, 9488954), (4883, 5833676), (6004, 4744477), (9766, 2916838), (18461, 1543028), (19532, 1458419), (20303, 1403036), (36922, 771514), (40606, 701518), (73844, 385757), (81212, 350759)]