15993850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 36

約数和(自身を含む): 30632526

約数和(自身を除く): 14638676

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 173, 215, 346, 430, 865, 1075, 1730, 1849, 2150, 3698, 4325, 7439, 8650, 9245, 14878, 18490, 37195, 46225, 74390, 92450, 185975, 319877, 371950, 639754, 1599385, 3198770, 7996925, 15993850]

約数ペア:

[(1, 15993850), (2, 7996925), (5, 3198770), (10, 1599385), (25, 639754), (43, 371950), (50, 319877), (86, 185975), (173, 92450), (215, 74390), (346, 46225), (430, 37195), (865, 18490), (1075, 14878), (1730, 9245), (1849, 8650), (2150, 7439), (3698, 4325)]