72780664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{2609}}^1$

素因数の和:2943

約数の個数: 32

約数和(自身を含む): 149396400

約数和(自身を除く): 76615736

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 317, 634, 1268, 2536, 2609, 3487, 5218, 6974, 10436, 13948, 20872, 27896, 28699, 57398, 114796, 229592, 827053, 1654106, 3308212, 6616424, 9097583, 18195166, 36390332, 72780664]

約数ペア:

[(1, 72780664), (2, 36390332), (4, 18195166), (8, 9097583), (11, 6616424), (22, 3308212), (44, 1654106), (88, 827053), (317, 229592), (634, 114796), (1268, 57398), (2536, 28699), (2609, 27896), (3487, 20872), (5218, 13948), (6974, 10436)]