399534892

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{829}}^1\times {\mathrm{1697}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 710307360

約数和(自身を除く): 310772468

約数列:

[1, 2, 4, 71, 142, 284, 829, 1658, 1697, 3316, 3394, 6788, 58859, 117718, 120487, 235436, 240974, 481948, 1406813, 2813626, 5627252, 99883723, 199767446, 399534892]

約数ペア:

[(1, 399534892), (2, 199767446), (4, 99883723), (71, 5627252), (142, 2813626), (284, 1406813), (829, 481948), (1658, 240974), (1697, 235436), (3316, 120487), (3394, 117718), (6788, 58859)]