988975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 1406160

約数和(自身を除く): 417185

約数列:

[1, 5, 13, 17, 25, 65, 85, 179, 221, 325, 425, 895, 1105, 2327, 3043, 4475, 5525, 11635, 15215, 39559, 58175, 76075, 197795, 988975]

約数ペア:

[(1, 988975), (5, 197795), (13, 76075), (17, 58175), (25, 39559), (65, 15215), (85, 11635), (179, 5525), (221, 4475), (325, 3043), (425, 2327), (895, 1105)]