81982110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{390391}}^1$

素因数の和:390408

約数の個数: 32

約数和(自身を含む): 224865792

約数和(自身を除く): 142883682

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 390391, 780782, 1171173, 1951955, 2342346, 2732737, 3903910, 5465474, 5855865, 8198211, 11711730, 13663685, 16396422, 27327370, 40991055, 81982110]

約数ペア:

[(1, 81982110), (2, 40991055), (3, 27327370), (5, 16396422), (6, 13663685), (7, 11711730), (10, 8198211), (14, 5855865), (15, 5465474), (21, 3903910), (30, 2732737), (35, 2342346), (42, 1951955), (70, 1171173), (105, 780782), (210, 390391)]