138257392

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 331853760

約数和(自身を除く): 193596368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 269, 353, 364, 538, 706, 728, 1076, 1412, 1456, 1883, 2152, 2471, 2824, 3497, 3766, 4304, 4589, 4942, 5648, 6994, 7532, 9178, 9884, 13988, 15064, 18356, 19768, 24479, 27976, 30128, 32123, 36712, 39536, 48958, 55952, 64246, 73424, 94957, 97916, 128492, 189914, 195832, 256984, 379828, 391664, 513968, 664699, 759656, 1234441, 1329398, 1519312, 2468882, 2658796, 4937764, 5317592, 8641087, 9875528, 10635184, 17282174, 19751056, 34564348, 69128696, 138257392]

約数ペア:

[(1, 138257392), (2, 69128696), (4, 34564348), (7, 19751056), (8, 17282174), (13, 10635184), (14, 9875528), (16, 8641087), (26, 5317592), (28, 4937764), (52, 2658796), (56, 2468882), (91, 1519312), (104, 1329398), (112, 1234441), (182, 759656), (208, 664699), (269, 513968), (353, 391664), (364, 379828), (538, 256984), (706, 195832), (728, 189914), (1076, 128492), (1412, 97916), (1456, 94957), (1883, 73424), (2152, 64246), (2471, 55952), (2824, 48958), (3497, 39536), (3766, 36712), (4304, 32123), (4589, 30128), (4942, 27976), (5648, 24479), (6994, 19768), (7532, 18356), (9178, 15064), (9884, 13988)]