138903488

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:505

約数の個数: 56

約数和(自身を含む): 283342080

約数和(自身を除く): 144438592

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 83, 158, 166, 316, 331, 332, 632, 662, 664, 1264, 1324, 1328, 2528, 2648, 2656, 5056, 5296, 5312, 6557, 10592, 13114, 21184, 26149, 26228, 27473, 52298, 52456, 54946, 104596, 104912, 109892, 209192, 209824, 219784, 418384, 419648, 439568, 836768, 879136, 1673536, 1758272, 2170367, 4340734, 8681468, 17362936, 34725872, 69451744, 138903488]

約数ペア:

[(1, 138903488), (2, 69451744), (4, 34725872), (8, 17362936), (16, 8681468), (32, 4340734), (64, 2170367), (79, 1758272), (83, 1673536), (158, 879136), (166, 836768), (316, 439568), (331, 419648), (332, 418384), (632, 219784), (662, 209824), (664, 209192), (1264, 109892), (1324, 104912), (1328, 104596), (2528, 54946), (2648, 52456), (2656, 52298), (5056, 27473), (5296, 26228), (5312, 26149), (6557, 21184), (10592, 13114)]