1638649552

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{10259}}^1$

素因数の和:10483

約数の個数: 40

約数和(自身を含む): 3244212000

約数和(自身を除く): 1605562448

約数列:

[1, 2, 4, 8, 16, 67, 134, 149, 268, 298, 536, 596, 1072, 1192, 2384, 9983, 10259, 19966, 20518, 39932, 41036, 79864, 82072, 159728, 164144, 687353, 1374706, 1528591, 2749412, 3057182, 5498824, 6114364, 10997648, 12228728, 24457456, 102415597, 204831194, 409662388, 819324776, 1638649552]

約数ペア:

[(1, 1638649552), (2, 819324776), (4, 409662388), (8, 204831194), (16, 102415597), (67, 24457456), (134, 12228728), (149, 10997648), (268, 6114364), (298, 5498824), (536, 3057182), (596, 2749412), (1072, 1528591), (1192, 1374706), (2384, 687353), (9983, 164144), (10259, 159728), (19966, 82072), (20518, 79864), (39932, 41036)]