987101756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1429}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 1861860000

約数和(自身を除く): 874758244

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 149, 244, 298, 596, 1159, 1429, 2318, 2831, 2858, 4636, 5662, 5716, 9089, 11324, 18178, 27151, 36356, 54302, 87169, 108604, 172691, 174338, 212921, 345382, 348676, 425842, 690764, 851684, 1656211, 3312422, 4045499, 6624844, 8090998, 12988181, 16181996, 25976362, 51952724, 246775439, 493550878, 987101756]

約数ペア:

[(1, 987101756), (2, 493550878), (4, 246775439), (19, 51952724), (38, 25976362), (61, 16181996), (76, 12988181), (122, 8090998), (149, 6624844), (244, 4045499), (298, 3312422), (596, 1656211), (1159, 851684), (1429, 690764), (2318, 425842), (2831, 348676), (2858, 345382), (4636, 212921), (5662, 174338), (5716, 172691), (9089, 108604), (11324, 87169), (18178, 54302), (27151, 36356)]