390968528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{2339}}^1$

素因数の和:2715

約数の個数: 40

約数和(自身を含む): 784592640

約数和(自身を除く): 393624112

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 337, 496, 674, 1348, 2339, 2696, 4678, 5392, 9356, 10447, 18712, 20894, 37424, 41788, 72509, 83576, 145018, 167152, 290036, 580072, 788243, 1160144, 1576486, 3152972, 6305944, 12611888, 24435533, 48871066, 97742132, 195484264, 390968528]

約数ペア:

[(1, 390968528), (2, 195484264), (4, 97742132), (8, 48871066), (16, 24435533), (31, 12611888), (62, 6305944), (124, 3152972), (248, 1576486), (337, 1160144), (496, 788243), (674, 580072), (1348, 290036), (2339, 167152), (2696, 145018), (4678, 83576), (5392, 72509), (9356, 41788), (10447, 37424), (18712, 20894)]