81475456

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{7669}}^1$

素因数の和:7766

約数の個数: 32

約数和(自身を含む): 164291400

約数和(自身を除く): 82815944

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 2656, 5312, 7669, 10624, 15338, 30676, 61352, 122704, 245408, 490816, 636527, 981632, 1273054, 2546108, 5092216, 10184432, 20368864, 40737728, 81475456]

約数ペア:

[(1, 81475456), (2, 40737728), (4, 20368864), (8, 10184432), (16, 5092216), (32, 2546108), (64, 1273054), (83, 981632), (128, 636527), (166, 490816), (332, 245408), (664, 122704), (1328, 61352), (2656, 30676), (5312, 15338), (7669, 10624)]