389864144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{6367}}^1$

素因数の和:6507

約数の個数: 40

約数和(自身を含む): 781735680

約数和(自身を除く): 391871536

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1424, 3827, 6367, 7654, 12734, 15308, 25468, 30616, 50936, 61232, 101872, 273781, 547562, 566663, 1095124, 1133326, 2190248, 2266652, 4380496, 4533304, 9066608, 24366509, 48733018, 97466036, 194932072, 389864144]

約数ペア:

[(1, 389864144), (2, 194932072), (4, 97466036), (8, 48733018), (16, 24366509), (43, 9066608), (86, 4533304), (89, 4380496), (172, 2266652), (178, 2190248), (344, 1133326), (356, 1095124), (688, 566663), (712, 547562), (1424, 273781), (3827, 101872), (6367, 61232), (7654, 50936), (12734, 30616), (15308, 25468)]