129210728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{3803}}^1$

素因数の和:3977

約数の個数: 32

約数和(自身を含む): 251976960

約数和(自身を除く): 122766232

約数列:

[1, 2, 4, 8, 31, 62, 124, 137, 248, 274, 548, 1096, 3803, 4247, 7606, 8494, 15212, 16988, 30424, 33976, 117893, 235786, 471572, 521011, 943144, 1042022, 2084044, 4168088, 16151341, 32302682, 64605364, 129210728]

約数ペア:

[(1, 129210728), (2, 64605364), (4, 32302682), (8, 16151341), (31, 4168088), (62, 2084044), (124, 1042022), (137, 943144), (248, 521011), (274, 471572), (548, 235786), (1096, 117893), (3803, 33976), (4247, 30424), (7606, 16988), (8494, 15212)]