1387458428

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{9377}}^1$

素因数の和:9973

約数の個数: 24

約数和(自身を含む): 2467239264

約数和(自身を除く): 1079780836

約数列:

[1, 2, 4, 71, 142, 284, 521, 1042, 2084, 9377, 18754, 36991, 37508, 73982, 147964, 665767, 1331534, 2663068, 4885417, 9770834, 19541668, 346864607, 693729214, 1387458428]

約数ペア:

[(1, 1387458428), (2, 693729214), (4, 346864607), (71, 19541668), (142, 9770834), (284, 4885417), (521, 2663068), (1042, 1331534), (2084, 665767), (9377, 147964), (18754, 73982), (36991, 37508)]