505565736

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1620403}}^1$

素因数の和:1620425

約数の個数: 32

約数和(自身を含む): 1361139360

約数和(自身を除く): 855573624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1620403, 3240806, 4861209, 6481612, 9722418, 12963224, 19444836, 21065239, 38889672, 42130478, 63195717, 84260956, 126391434, 168521912, 252782868, 505565736]

約数ペア:

[(1, 505565736), (2, 252782868), (3, 168521912), (4, 126391434), (6, 84260956), (8, 63195717), (12, 42130478), (13, 38889672), (24, 21065239), (26, 19444836), (39, 12963224), (52, 9722418), (78, 6481612), (104, 4861209), (156, 3240806), (312, 1620403)]