90078436

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 187436032

約数和(自身を除く): 97357596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 217, 314, 434, 628, 661, 868, 1099, 1322, 2198, 2644, 4396, 4627, 4867, 9254, 9734, 18508, 19468, 20491, 34069, 40982, 68138, 81964, 103777, 136276, 143437, 207554, 286874, 415108, 573748, 726439, 1452878, 2905756, 3217087, 6434174, 12868348, 22519609, 45039218, 90078436]

約数ペア:

[(1, 90078436), (2, 45039218), (4, 22519609), (7, 12868348), (14, 6434174), (28, 3217087), (31, 2905756), (62, 1452878), (124, 726439), (157, 573748), (217, 415108), (314, 286874), (434, 207554), (628, 143437), (661, 136276), (868, 103777), (1099, 81964), (1322, 68138), (2198, 40982), (2644, 34069), (4396, 20491), (4627, 19468), (4867, 18508), (9254, 9734)]