668881538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1\times {\mathrm{1447}}^1$

素因数の和:2258

約数の個数: 32

約数和(自身を含む): 1129718016

約数和(自身を除く): 460836478

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 773, 1447, 1546, 2894, 10049, 17779, 18811, 20098, 33281, 35558, 37622, 66562, 231127, 432653, 462254, 865306, 1118531, 2237062, 14540903, 25726213, 29081806, 51452426, 334440769, 668881538]

約数ペア:

[(1, 668881538), (2, 334440769), (13, 51452426), (23, 29081806), (26, 25726213), (46, 14540903), (299, 2237062), (598, 1118531), (773, 865306), (1447, 462254), (1546, 432653), (2894, 231127), (10049, 66562), (17779, 37622), (18811, 35558), (20098, 33281)]