1661307904

素因数分解:

$2^{10}\times {\mathrm{641}}^1\times {\mathrm{2531}}^1$

素因数の和:3192

約数の個数: 44

約数和(自身を含む): 3327488568

約数和(自身を除く): 1666180664

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 641, 1024, 1282, 2531, 2564, 5062, 5128, 10124, 10256, 20248, 20512, 40496, 41024, 80992, 82048, 161984, 164096, 323968, 328192, 647936, 656384, 1295872, 1622371, 2591744, 3244742, 6489484, 12978968, 25957936, 51915872, 103831744, 207663488, 415326976, 830653952, 1661307904]

約数ペア:

[(1, 1661307904), (2, 830653952), (4, 415326976), (8, 207663488), (16, 103831744), (32, 51915872), (64, 25957936), (128, 12978968), (256, 6489484), (512, 3244742), (641, 2591744), (1024, 1622371), (1282, 1295872), (2531, 656384), (2564, 647936), (5062, 328192), (5128, 323968), (10124, 164096), (10256, 161984), (20248, 82048), (20512, 80992), (40496, 41024)]