81651208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{3001}}^1$

素因数の和:3205

約数の個数: 32

約数和(自身を含む): 162108000

約数和(自身を除く): 80456792

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 179, 358, 716, 1432, 3001, 3401, 6002, 6802, 12004, 13604, 24008, 27208, 57019, 114038, 228076, 456152, 537179, 1074358, 2148716, 4297432, 10206401, 20412802, 40825604, 81651208]

約数ペア:

[(1, 81651208), (2, 40825604), (4, 20412802), (8, 10206401), (19, 4297432), (38, 2148716), (76, 1074358), (152, 537179), (179, 456152), (358, 228076), (716, 114038), (1432, 57019), (3001, 27208), (3401, 24008), (6002, 13604), (6802, 12004)]