195451879

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 244661760

約数和(自身を除く): 49209881

約数列:

[1, 7, 19, 41, 73, 133, 287, 491, 511, 779, 1387, 2993, 3437, 5453, 9329, 9709, 20131, 20951, 35843, 56867, 65303, 140917, 250901, 382489, 398069, 681017, 1469563, 2677423, 4767119, 10286941, 27921697, 195451879]

約数ペア:

[(1, 195451879), (7, 27921697), (19, 10286941), (41, 4767119), (73, 2677423), (133, 1469563), (287, 681017), (491, 398069), (511, 382489), (779, 250901), (1387, 140917), (2993, 65303), (3437, 56867), (5453, 35843), (9329, 20951), (9709, 20131)]