261530892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6367}}^1$

素因数の和:6547

約数の個数: 72

約数和(自身を含む): 760288256

約数和(自身を除く): 498757364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 489, 652, 978, 1141, 1467, 1956, 2282, 2934, 3423, 4564, 5868, 6367, 6846, 10269, 12734, 13692, 19101, 20538, 25468, 38202, 41076, 44569, 57303, 76404, 89138, 114606, 133707, 178276, 229212, 267414, 401121, 534828, 802242, 1037821, 1604484, 2075642, 3113463, 4151284, 6226926, 7264747, 9340389, 12453852, 14529494, 18680778, 21794241, 29058988, 37361556, 43588482, 65382723, 87176964, 130765446, 261530892]

約数ペア:

[(1, 261530892), (2, 130765446), (3, 87176964), (4, 65382723), (6, 43588482), (7, 37361556), (9, 29058988), (12, 21794241), (14, 18680778), (18, 14529494), (21, 12453852), (28, 9340389), (36, 7264747), (42, 6226926), (63, 4151284), (84, 3113463), (126, 2075642), (163, 1604484), (252, 1037821), (326, 802242), (489, 534828), (652, 401121), (978, 267414), (1141, 229212), (1467, 178276), (1956, 133707), (2282, 114606), (2934, 89138), (3423, 76404), (4564, 57303), (5868, 44569), (6367, 41076), (6846, 38202), (10269, 25468), (12734, 20538), (13692, 19101)]