641388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 1685376

約数和(自身を除く): 1043988

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 113, 129, 132, 172, 226, 258, 339, 452, 473, 516, 678, 946, 1243, 1356, 1419, 1892, 2486, 2838, 3729, 4859, 4972, 5676, 7458, 9718, 14577, 14916, 19436, 29154, 53449, 58308, 106898, 160347, 213796, 320694, 641388]

約数ペア:

[(1, 641388), (2, 320694), (3, 213796), (4, 160347), (6, 106898), (11, 58308), (12, 53449), (22, 29154), (33, 19436), (43, 14916), (44, 14577), (66, 9718), (86, 7458), (113, 5676), (129, 4972), (132, 4859), (172, 3729), (226, 2838), (258, 2486), (339, 1892), (452, 1419), (473, 1356), (516, 1243), (678, 946)]