28149786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1595

約数の個数: 48

約数和(自身を含む): 70197504

約数和(自身を除く): 42047718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 942, 1099, 1413, 1423, 2198, 2826, 2846, 3297, 4269, 6594, 8538, 9891, 9961, 12807, 19782, 19922, 25614, 29883, 59766, 89649, 179298, 223411, 446822, 670233, 1340466, 1563877, 2010699, 3127754, 4021398, 4691631, 9383262, 14074893, 28149786]

約数ペア:

[(1, 28149786), (2, 14074893), (3, 9383262), (6, 4691631), (7, 4021398), (9, 3127754), (14, 2010699), (18, 1563877), (21, 1340466), (42, 670233), (63, 446822), (126, 223411), (157, 179298), (314, 89649), (471, 59766), (942, 29883), (1099, 25614), (1413, 19922), (1423, 19782), (2198, 12807), (2826, 9961), (2846, 9891), (3297, 8538), (4269, 6594)]