138021228

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{547}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 359847488

約数和(自身を除く): 221826260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 163, 172, 258, 326, 387, 489, 516, 547, 652, 774, 978, 1094, 1467, 1548, 1641, 1956, 2188, 2934, 3282, 4923, 5868, 6564, 7009, 9846, 14018, 19692, 21027, 23521, 28036, 42054, 47042, 63081, 70563, 84108, 89161, 94084, 126162, 141126, 178322, 211689, 252324, 267483, 282252, 356644, 423378, 534966, 802449, 846756, 1069932, 1604898, 3209796, 3833923, 7667846, 11501769, 15335692, 23003538, 34505307, 46007076, 69010614, 138021228]

約数ペア:

[(1, 138021228), (2, 69010614), (3, 46007076), (4, 34505307), (6, 23003538), (9, 15335692), (12, 11501769), (18, 7667846), (36, 3833923), (43, 3209796), (86, 1604898), (129, 1069932), (163, 846756), (172, 802449), (258, 534966), (326, 423378), (387, 356644), (489, 282252), (516, 267483), (547, 252324), (652, 211689), (774, 178322), (978, 141126), (1094, 126162), (1467, 94084), (1548, 89161), (1641, 84108), (1956, 70563), (2188, 63081), (2934, 47042), (3282, 42054), (4923, 28036), (5868, 23521), (6564, 21027), (7009, 19692), (9846, 14018)]