81071410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5879}}^1$

素因数の和:6090

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 86579150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 5879, 6895, 11758, 13790, 29395, 41153, 58790, 82306, 205765, 411530, 1158163, 2316326, 5790815, 8107141, 11581630, 16214282, 40535705, 81071410]

約数ペア:

[(1, 81071410), (2, 40535705), (5, 16214282), (7, 11581630), (10, 8107141), (14, 5790815), (35, 2316326), (70, 1158163), (197, 411530), (394, 205765), (985, 82306), (1379, 58790), (1970, 41153), (2758, 29395), (5879, 13790), (6895, 11758)]