28913990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17959}}^1$

素因数の和:17996

約数の個数: 32

約数和(自身を含む): 62069760

約数和(自身を除く): 33155770

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 17959, 35918, 89795, 125713, 179590, 251426, 413057, 628565, 826114, 1257130, 2065285, 2891399, 4130570, 5782798, 14456995, 28913990]

約数ペア:

[(1, 28913990), (2, 14456995), (5, 5782798), (7, 4130570), (10, 2891399), (14, 2065285), (23, 1257130), (35, 826114), (46, 628565), (70, 413057), (115, 251426), (161, 179590), (230, 125713), (322, 89795), (805, 35918), (1610, 17959)]