28370888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38971}}^1$

素因数の和:38997

約数の個数: 32

約数和(自身を含む): 65472960

約数和(自身を除く): 37102072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38971, 77942, 155884, 272797, 311768, 506623, 545594, 1013246, 1091188, 2026492, 2182376, 3546361, 4052984, 7092722, 14185444, 28370888]

約数ペア:

[(1, 28370888), (2, 14185444), (4, 7092722), (7, 4052984), (8, 3546361), (13, 2182376), (14, 2026492), (26, 1091188), (28, 1013246), (52, 545594), (56, 506623), (91, 311768), (104, 272797), (182, 155884), (364, 77942), (728, 38971)]