23709985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 9554015

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 499, 559, 731, 1105, 2495, 2795, 3655, 6487, 8483, 9503, 21457, 32435, 42415, 47515, 107285, 110279, 278941, 364769, 551395, 1394705, 1823845, 4741997, 23709985]

約数ペア:

[(1, 23709985), (5, 4741997), (13, 1823845), (17, 1394705), (43, 551395), (65, 364769), (85, 278941), (215, 110279), (221, 107285), (499, 47515), (559, 42415), (731, 32435), (1105, 21457), (2495, 9503), (2795, 8483), (3655, 6487)]