387671994

素因数分解:

$2^1\times 3^7\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 878042880

約数和(自身を除く): 490370886

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 263, 337, 486, 526, 674, 729, 789, 1011, 1458, 1578, 2022, 2187, 2367, 3033, 4374, 4734, 6066, 7101, 9099, 14202, 18198, 21303, 27297, 42606, 54594, 63909, 81891, 88631, 127818, 163782, 177262, 191727, 245673, 265893, 383454, 491346, 531786, 575181, 737019, 797679, 1150362, 1474038, 1595358, 2393037, 4786074, 7179111, 14358222, 21537333, 43074666, 64611999, 129223998, 193835997, 387671994]

約数ペア:

[(1, 387671994), (2, 193835997), (3, 129223998), (6, 64611999), (9, 43074666), (18, 21537333), (27, 14358222), (54, 7179111), (81, 4786074), (162, 2393037), (243, 1595358), (263, 1474038), (337, 1150362), (486, 797679), (526, 737019), (674, 575181), (729, 531786), (789, 491346), (1011, 383454), (1458, 265893), (1578, 245673), (2022, 191727), (2187, 177262), (2367, 163782), (3033, 127818), (4374, 88631), (4734, 81891), (6066, 63909), (7101, 54594), (9099, 42606), (14202, 27297), (18198, 21303)]