28444130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19891}}^1$

素因数の和:19922

約数の個数: 32

約数和(自身を含む): 60153408

約数和(自身を除く): 31709278

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19891, 39782, 99455, 198910, 218801, 258583, 437602, 517166, 1094005, 1292915, 2188010, 2585830, 2844413, 5688826, 14222065, 28444130]

約数ペア:

[(1, 28444130), (2, 14222065), (5, 5688826), (10, 2844413), (11, 2585830), (13, 2188010), (22, 1292915), (26, 1094005), (55, 517166), (65, 437602), (110, 258583), (130, 218801), (143, 198910), (286, 99455), (715, 39782), (1430, 19891)]