28406630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1543}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 58696704

約数和(自身を除く): 30290074

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1315, 1543, 1841, 2630, 3086, 3682, 7715, 9205, 10801, 15430, 18410, 21602, 54005, 108010, 405809, 811618, 2029045, 2840663, 4058090, 5681326, 14203315, 28406630]

約数ペア:

[(1, 28406630), (2, 14203315), (5, 5681326), (7, 4058090), (10, 2840663), (14, 2029045), (35, 811618), (70, 405809), (263, 108010), (526, 54005), (1315, 21602), (1543, 18410), (1841, 15430), (2630, 10801), (3086, 9205), (3682, 7715)]