28316860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9934

約数の個数: 48

約数和(自身を含む): 69868512

約数和(自身を除く): 41551652

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 9901, 19802, 39604, 49505, 99010, 108911, 128713, 198020, 217822, 257426, 435644, 514852, 544555, 643565, 1089110, 1287130, 1415843, 2178220, 2574260, 2831686, 5663372, 7079215, 14158430, 28316860]

約数ペア:

[(1, 28316860), (2, 14158430), (4, 7079215), (5, 5663372), (10, 2831686), (11, 2574260), (13, 2178220), (20, 1415843), (22, 1287130), (26, 1089110), (44, 643565), (52, 544555), (55, 514852), (65, 435644), (110, 257426), (130, 217822), (143, 198020), (220, 128713), (260, 108911), (286, 99010), (572, 49505), (715, 39604), (1430, 19802), (2860, 9901)]