644328336

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{161729}}^1$

素因数の和:161823

約数の個数: 40

約数和(自身を含む): 1684579680

約数和(自身を除く): 1040251344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 161729, 323458, 485187, 646916, 970374, 1293832, 1940748, 2587664, 3881496, 7762992, 13423507, 26847014, 40270521, 53694028, 80541042, 107388056, 161082084, 214776112, 322164168, 644328336]

約数ペア:

[(1, 644328336), (2, 322164168), (3, 214776112), (4, 161082084), (6, 107388056), (8, 80541042), (12, 53694028), (16, 40270521), (24, 26847014), (48, 13423507), (83, 7762992), (166, 3881496), (249, 2587664), (332, 1940748), (498, 1293832), (664, 970374), (996, 646916), (1328, 485187), (1992, 323458), (3984, 161729)]