810208516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{1181}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 1556835840

約数和(自身を除く): 746627324

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 167, 316, 334, 668, 1027, 1181, 2054, 2171, 2362, 4108, 4342, 4724, 8684, 13193, 15353, 26386, 30706, 52772, 61412, 93299, 171509, 186598, 197227, 343018, 373196, 394454, 686036, 788908, 1212887, 2425774, 2563951, 4851548, 5127902, 10255804, 15580933, 31161866, 62323732, 202552129, 405104258, 810208516]

約数ペア:

[(1, 810208516), (2, 405104258), (4, 202552129), (13, 62323732), (26, 31161866), (52, 15580933), (79, 10255804), (158, 5127902), (167, 4851548), (316, 2563951), (334, 2425774), (668, 1212887), (1027, 788908), (1181, 686036), (2054, 394454), (2171, 373196), (2362, 343018), (4108, 197227), (4342, 186598), (4724, 171509), (8684, 93299), (13193, 61412), (15353, 52772), (26386, 30706)]