1661904008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7793}}^1$

素因数の和:7902

約数の個数: 64

約数和(自身を含む): 3479241600

約数和(自身を除く): 1817337592

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 61, 76, 92, 122, 152, 184, 244, 437, 488, 874, 1159, 1403, 1748, 2318, 2806, 3496, 4636, 5612, 7793, 9272, 11224, 15586, 26657, 31172, 53314, 62344, 106628, 148067, 179239, 213256, 296134, 358478, 475373, 592268, 716956, 950746, 1184536, 1433912, 1901492, 3405541, 3802984, 6811082, 9032087, 10933579, 13622164, 18064174, 21867158, 27244328, 36128348, 43734316, 72256696, 87468632, 207738001, 415476002, 830952004, 1661904008]

約数ペア:

[(1, 1661904008), (2, 830952004), (4, 415476002), (8, 207738001), (19, 87468632), (23, 72256696), (38, 43734316), (46, 36128348), (61, 27244328), (76, 21867158), (92, 18064174), (122, 13622164), (152, 10933579), (184, 9032087), (244, 6811082), (437, 3802984), (488, 3405541), (874, 1901492), (1159, 1433912), (1403, 1184536), (1748, 950746), (2318, 716956), (2806, 592268), (3496, 475373), (4636, 358478), (5612, 296134), (7793, 213256), (9272, 179239), (11224, 148067), (15586, 106628), (26657, 62344), (31172, 53314)]