1388552725

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 2019442176

約数和(自身を除く): 630889451

約数列:

[1, 5, 7, 25, 35, 47, 175, 235, 329, 401, 421, 1175, 1645, 2005, 2105, 2807, 2947, 8225, 10025, 10525, 14035, 14735, 18847, 19787, 70175, 73675, 94235, 98935, 131929, 138509, 168821, 471175, 494675, 659645, 692545, 844105, 1181747, 3298225, 3462725, 4220525, 5908735, 7934587, 29543675, 39672935, 55542109, 198364675, 277710545, 1388552725]

約数ペア:

[(1, 1388552725), (5, 277710545), (7, 198364675), (25, 55542109), (35, 39672935), (47, 29543675), (175, 7934587), (235, 5908735), (329, 4220525), (401, 3462725), (421, 3298225), (1175, 1181747), (1645, 844105), (2005, 692545), (2105, 659645), (2807, 494675), (2947, 471175), (8225, 168821), (10025, 138509), (10525, 131929), (14035, 98935), (14735, 94235), (18847, 73675), (19787, 70175)]