66891728

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2713}}^1$

素因数の和:2811

約数の個数: 40

約数和(自身を含む): 137306688

約数和(自身を除く): 70414960

約数列:

[1, 2, 4, 8, 16, 23, 46, 67, 92, 134, 184, 268, 368, 536, 1072, 1541, 2713, 3082, 5426, 6164, 10852, 12328, 21704, 24656, 43408, 62399, 124798, 181771, 249596, 363542, 499192, 727084, 998384, 1454168, 2908336, 4180733, 8361466, 16722932, 33445864, 66891728]

約数ペア:

[(1, 66891728), (2, 33445864), (4, 16722932), (8, 8361466), (16, 4180733), (23, 2908336), (46, 1454168), (67, 998384), (92, 727084), (134, 499192), (184, 363542), (268, 249596), (368, 181771), (536, 124798), (1072, 62399), (1541, 43408), (2713, 24656), (3082, 21704), (5426, 12328), (6164, 10852)]