399109488

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{193367}}^1$

素因数の和:193421

約数の個数: 40

約数和(自身を含む): 1055015808

約数和(自身を除く): 655906320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 193367, 386734, 580101, 773468, 1160202, 1546936, 2320404, 3093872, 4640808, 8314781, 9281616, 16629562, 24944343, 33259124, 49888686, 66518248, 99777372, 133036496, 199554744, 399109488]

約数ペア:

[(1, 399109488), (2, 199554744), (3, 133036496), (4, 99777372), (6, 66518248), (8, 49888686), (12, 33259124), (16, 24944343), (24, 16629562), (43, 9281616), (48, 8314781), (86, 4640808), (129, 3093872), (172, 2320404), (258, 1546936), (344, 1160202), (516, 773468), (688, 580101), (1032, 386734), (2064, 193367)]