90231544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20177}}^1$

素因数の和:20239

約数の個数: 32

約数和(自身を含む): 186444720

約数和(自身を除く): 96213176

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 20177, 40354, 80708, 161416, 262301, 524602, 867611, 1049204, 1735222, 2098408, 3470444, 6940888, 11278943, 22557886, 45115772, 90231544]

約数ペア:

[(1, 90231544), (2, 45115772), (4, 22557886), (8, 11278943), (13, 6940888), (26, 3470444), (43, 2098408), (52, 1735222), (86, 1049204), (104, 867611), (172, 524602), (344, 262301), (559, 161416), (1118, 80708), (2236, 40354), (4472, 20177)]