71347210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1321}}^1$

素因数の和:1830

約数の個数: 32

約数和(自身を含む): 140491584

約数和(自身を除く): 69144374

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 491, 982, 1321, 2455, 2642, 4910, 5401, 6605, 10802, 13210, 14531, 27005, 29062, 54010, 72655, 145310, 648611, 1297222, 3243055, 6486110, 7134721, 14269442, 35673605, 71347210]

約数ペア:

[(1, 71347210), (2, 35673605), (5, 14269442), (10, 7134721), (11, 6486110), (22, 3243055), (55, 1297222), (110, 648611), (491, 145310), (982, 72655), (1321, 54010), (2455, 29062), (2642, 27005), (4910, 14531), (5401, 13210), (6605, 10802)]