138298888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{701}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 320785920

約数和(自身を除く): 182487032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 271, 364, 542, 701, 728, 1084, 1402, 1897, 2168, 2804, 3523, 3794, 4907, 5608, 7046, 7588, 9113, 9814, 14092, 15176, 18226, 19628, 24661, 28184, 36452, 39256, 49322, 63791, 72904, 98644, 127582, 189971, 197288, 255164, 379942, 510328, 759884, 1329797, 1519768, 2469623, 2659594, 4939246, 5319188, 9878492, 10638376, 17287361, 19756984, 34574722, 69149444, 138298888]

約数ペア:

[(1, 138298888), (2, 69149444), (4, 34574722), (7, 19756984), (8, 17287361), (13, 10638376), (14, 9878492), (26, 5319188), (28, 4939246), (52, 2659594), (56, 2469623), (91, 1519768), (104, 1329797), (182, 759884), (271, 510328), (364, 379942), (542, 255164), (701, 197288), (728, 189971), (1084, 127582), (1402, 98644), (1897, 72904), (2168, 63791), (2804, 49322), (3523, 39256), (3794, 36452), (4907, 28184), (5608, 24661), (7046, 19628), (7588, 18226), (9113, 15176), (9814, 14092)]