28273128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90619}}^1$

素因数の和:90641

約数の個数: 32

約数和(自身を含む): 76120800

約数和(自身を除く): 47847672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90619, 181238, 271857, 362476, 543714, 724952, 1087428, 1178047, 2174856, 2356094, 3534141, 4712188, 7068282, 9424376, 14136564, 28273128]

約数ペア:

[(1, 28273128), (2, 14136564), (3, 9424376), (4, 7068282), (6, 4712188), (8, 3534141), (12, 2356094), (13, 2174856), (24, 1178047), (26, 1087428), (39, 724952), (52, 543714), (78, 362476), (104, 271857), (156, 181238), (312, 90619)]