7478895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 12821760

約数和(自身を除く): 5342865

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 211, 255, 417, 633, 695, 1055, 2085, 2363, 3165, 3587, 7089, 10761, 11815, 17935, 29329, 35445, 53805, 87987, 146645, 439935, 498593, 1495779, 2492965, 7478895]

約数ペア:

[(1, 7478895), (3, 2492965), (5, 1495779), (15, 498593), (17, 439935), (51, 146645), (85, 87987), (139, 53805), (211, 35445), (255, 29329), (417, 17935), (633, 11815), (695, 10761), (1055, 7089), (2085, 3587), (2363, 3165)]