128432916

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 334894560

約数和(自身を除く): 206461644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 163, 172, 258, 326, 387, 489, 509, 516, 652, 774, 978, 1018, 1467, 1527, 1548, 1956, 2036, 2934, 3054, 4581, 5868, 6108, 7009, 9162, 14018, 18324, 21027, 21887, 28036, 42054, 43774, 63081, 65661, 82967, 84108, 87548, 126162, 131322, 165934, 196983, 248901, 252324, 262644, 331868, 393966, 497802, 746703, 787932, 995604, 1493406, 2986812, 3567581, 7135162, 10702743, 14270324, 21405486, 32108229, 42810972, 64216458, 128432916]

約数ペア:

[(1, 128432916), (2, 64216458), (3, 42810972), (4, 32108229), (6, 21405486), (9, 14270324), (12, 10702743), (18, 7135162), (36, 3567581), (43, 2986812), (86, 1493406), (129, 995604), (163, 787932), (172, 746703), (258, 497802), (326, 393966), (387, 331868), (489, 262644), (509, 252324), (516, 248901), (652, 196983), (774, 165934), (978, 131322), (1018, 126162), (1467, 87548), (1527, 84108), (1548, 82967), (1956, 65661), (2036, 63081), (2934, 43774), (3054, 42054), (4581, 28036), (5868, 21887), (6108, 21027), (7009, 18324), (9162, 14018)]