78841790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1013}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 146162016

約数和(自身を除く): 67320226

約数列:

[1, 2, 5, 10, 43, 86, 181, 215, 362, 430, 905, 1013, 1810, 2026, 5065, 7783, 10130, 15566, 38915, 43559, 77830, 87118, 183353, 217795, 366706, 435590, 916765, 1833530, 7884179, 15768358, 39420895, 78841790]

約数ペア:

[(1, 78841790), (2, 39420895), (5, 15768358), (10, 7884179), (43, 1833530), (86, 916765), (181, 435590), (215, 366706), (362, 217795), (430, 183353), (905, 87118), (1013, 77830), (1810, 43559), (2026, 38915), (5065, 15566), (7783, 10130)]