1998695805

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{75323}}^1$

素因数の和:75421

約数の個数: 32

約数和(自身を含む): 3362463360

約数和(自身を除く): 1363767555

約数列:

[1, 3, 5, 15, 29, 61, 87, 145, 183, 305, 435, 915, 1769, 5307, 8845, 26535, 75323, 225969, 376615, 1129845, 2184367, 4594703, 6553101, 10921835, 13784109, 22973515, 32765505, 68920545, 133246387, 399739161, 666231935, 1998695805]

約数ペア:

[(1, 1998695805), (3, 666231935), (5, 399739161), (15, 133246387), (29, 68920545), (61, 32765505), (87, 22973515), (145, 13784109), (183, 10921835), (305, 6553101), (435, 4594703), (915, 2184367), (1769, 1129845), (5307, 376615), (8845, 225969), (26535, 75323)]