81191776

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{32117}}^1$

素因数の和:32206

約数の個数: 24

約数和(自身を含む): 161874720

約数和(自身を除く): 80682944

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 32117, 64234, 128468, 256936, 513872, 1027744, 2537243, 5074486, 10148972, 20297944, 40595888, 81191776]

約数ペア:

[(1, 81191776), (2, 40595888), (4, 20297944), (8, 10148972), (16, 5074486), (32, 2537243), (79, 1027744), (158, 513872), (316, 256936), (632, 128468), (1264, 64234), (2528, 32117)]