661128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 1800720

約数和(自身を除く): 1139592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 163, 169, 312, 326, 338, 489, 507, 652, 676, 978, 1014, 1304, 1352, 1956, 2028, 2119, 3912, 4056, 4238, 6357, 8476, 12714, 16952, 25428, 27547, 50856, 55094, 82641, 110188, 165282, 220376, 330564, 661128]

約数ペア:

[(1, 661128), (2, 330564), (3, 220376), (4, 165282), (6, 110188), (8, 82641), (12, 55094), (13, 50856), (24, 27547), (26, 25428), (39, 16952), (52, 12714), (78, 8476), (104, 6357), (156, 4238), (163, 4056), (169, 3912), (312, 2119), (326, 2028), (338, 1956), (489, 1352), (507, 1304), (652, 1014), (676, 978)]