639604704

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{154943}}^1$

素因数の和:154999

約数の個数: 48

約数和(自身を含む): 1718019072

約数和(自身を除く): 1078414368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 154943, 309886, 464829, 619772, 929658, 1239544, 1859316, 2479088, 3718632, 4958176, 6662549, 7437264, 13325098, 14874528, 19987647, 26650196, 39975294, 53300392, 79950588, 106600784, 159901176, 213201568, 319802352, 639604704]

約数ペア:

[(1, 639604704), (2, 319802352), (3, 213201568), (4, 159901176), (6, 106600784), (8, 79950588), (12, 53300392), (16, 39975294), (24, 26650196), (32, 19987647), (43, 14874528), (48, 13325098), (86, 7437264), (96, 6662549), (129, 4958176), (172, 3718632), (258, 2479088), (344, 1859316), (516, 1239544), (688, 929658), (1032, 619772), (1376, 464829), (2064, 309886), (4128, 154943)]