81616710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{388651}}^1$

素因数の和:388668

約数の個数: 32

約数和(自身を含む): 223863552

約数和(自身を除く): 142246842

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 388651, 777302, 1165953, 1943255, 2331906, 2720557, 3886510, 5441114, 5829765, 8161671, 11659530, 13602785, 16323342, 27205570, 40808355, 81616710]

約数ペア:

[(1, 81616710), (2, 40808355), (3, 27205570), (5, 16323342), (6, 13602785), (7, 11659530), (10, 8161671), (14, 5829765), (15, 5441114), (21, 3886510), (30, 2720557), (35, 2331906), (42, 1943255), (70, 1165953), (105, 777302), (210, 388651)]