156942695

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^4\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 234656544

約数和(自身を除く): 77713849

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 169, 455, 785, 845, 1099, 1183, 2041, 2197, 5495, 5915, 10205, 10985, 14287, 15379, 26533, 28561, 71435, 76895, 132665, 142805, 185731, 199927, 344929, 928655, 999635, 1724645, 2414503, 4484077, 12072515, 22420385, 31388539, 156942695]

約数ペア:

[(1, 156942695), (5, 31388539), (7, 22420385), (13, 12072515), (35, 4484077), (65, 2414503), (91, 1724645), (157, 999635), (169, 928655), (455, 344929), (785, 199927), (845, 185731), (1099, 142805), (1183, 132665), (2041, 76895), (2197, 71435), (5495, 28561), (5915, 26533), (10205, 15379), (10985, 14287)]