81591512

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{739}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 157753200

約数和(自身を除く): 76161688

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 373, 739, 746, 1478, 1492, 2956, 2984, 5912, 13801, 27343, 27602, 54686, 55204, 109372, 110408, 218744, 275647, 551294, 1102588, 2205176, 10198939, 20397878, 40795756, 81591512]

約数ペア:

[(1, 81591512), (2, 40795756), (4, 20397878), (8, 10198939), (37, 2205176), (74, 1102588), (148, 551294), (296, 275647), (373, 218744), (739, 110408), (746, 109372), (1478, 55204), (1492, 54686), (2956, 27602), (2984, 27343), (5912, 13801)]