219915878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{12457}}^1$

素因数の和:12576

約数の個数: 32

約数和(自身を含む): 410217024

約数和(自身を除く): 190301146

約数列:

[1, 2, 7, 13, 14, 26, 91, 97, 182, 194, 679, 1261, 1358, 2522, 8827, 12457, 17654, 24914, 87199, 161941, 174398, 323882, 1133587, 1208329, 2267174, 2416658, 8458303, 15708277, 16916606, 31416554, 109957939, 219915878]

約数ペア:

[(1, 219915878), (2, 109957939), (7, 31416554), (13, 16916606), (14, 15708277), (26, 8458303), (91, 2416658), (97, 2267174), (182, 1208329), (194, 1133587), (679, 323882), (1261, 174398), (1358, 161941), (2522, 87199), (8827, 24914), (12457, 17654)]