28283138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 49215600

約数和(自身を除く): 20932462

約数列:

[1, 2, 13, 17, 26, 34, 61, 122, 221, 442, 793, 1037, 1049, 1586, 2074, 2098, 13481, 13637, 17833, 26962, 27274, 35666, 63989, 127978, 231829, 463658, 831857, 1087813, 1663714, 2175626, 14141569, 28283138]

約数ペア:

[(1, 28283138), (2, 14141569), (13, 2175626), (17, 1663714), (26, 1087813), (34, 831857), (61, 463658), (122, 231829), (221, 127978), (442, 63989), (793, 35666), (1037, 27274), (1049, 26962), (1586, 17833), (2074, 13637), (2098, 13481)]