87311684

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 155255520

約数和(自身を除く): 67943836

約数列:

[1, 2, 4, 83, 166, 332, 409, 643, 818, 1286, 1636, 2572, 33947, 53369, 67894, 106738, 135788, 213476, 262987, 525974, 1051948, 21827921, 43655842, 87311684]

約数ペア:

[(1, 87311684), (2, 43655842), (4, 21827921), (83, 1051948), (166, 525974), (332, 262987), (409, 213476), (643, 135788), (818, 106738), (1286, 67894), (1636, 53369), (2572, 33947)]