15989870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2617}}^1$

素因数の和:2684

約数の個数: 32

約数和(自身を含む): 31667328

約数和(自身を除く): 15677458

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 2617, 3055, 5234, 6110, 13085, 26170, 34021, 68042, 122999, 170105, 245998, 340210, 614995, 1229990, 1598987, 3197974, 7994935, 15989870]

約数ペア:

[(1, 15989870), (2, 7994935), (5, 3197974), (10, 1598987), (13, 1229990), (26, 614995), (47, 340210), (65, 245998), (94, 170105), (130, 122999), (235, 68042), (470, 34021), (611, 26170), (1222, 13085), (2617, 6110), (3055, 5234)]