1951785215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{1901}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 2543871744

約数和(自身を除く): 592086529

約数列:

[1, 5, 17, 47, 85, 235, 257, 799, 1285, 1901, 3995, 4369, 9505, 12079, 21845, 32317, 60395, 89347, 161585, 205343, 446735, 488557, 1026715, 1518899, 2442785, 7594495, 8305469, 22962179, 41527345, 114810895, 390357043, 1951785215]

約数ペア:

[(1, 1951785215), (5, 390357043), (17, 114810895), (47, 41527345), (85, 22962179), (235, 8305469), (257, 7594495), (799, 2442785), (1285, 1518899), (1901, 1026715), (3995, 488557), (4369, 446735), (9505, 205343), (12079, 161585), (21845, 89347), (32317, 60395)]