721870016

素因数分解:

$2^6\times 7^1\times {\mathrm{853}}^1\times {\mathrm{1889}}^1$

素因数の和:2761

約数の個数: 56

約数和(自身を含む): 1639884960

約数和(自身を除く): 918014944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 853, 1706, 1889, 3412, 3778, 5971, 6824, 7556, 11942, 13223, 13648, 15112, 23884, 26446, 27296, 30224, 47768, 52892, 54592, 60448, 95536, 105784, 120896, 191072, 211568, 382144, 423136, 846272, 1611317, 3222634, 6445268, 11279219, 12890536, 22558438, 25781072, 45116876, 51562144, 90233752, 103124288, 180467504, 360935008, 721870016]

約数ペア:

[(1, 721870016), (2, 360935008), (4, 180467504), (7, 103124288), (8, 90233752), (14, 51562144), (16, 45116876), (28, 25781072), (32, 22558438), (56, 12890536), (64, 11279219), (112, 6445268), (224, 3222634), (448, 1611317), (853, 846272), (1706, 423136), (1889, 382144), (3412, 211568), (3778, 191072), (5971, 120896), (6824, 105784), (7556, 95536), (11942, 60448), (13223, 54592), (13648, 52892), (15112, 47768), (23884, 30224), (26446, 27296)]