86991590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{42853}}^1$

素因数の和:42896

約数の個数: 32

約数和(自身を含む): 185129280

約数和(自身を除く): 98137690

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 42853, 85706, 214265, 299971, 428530, 599942, 1242737, 1499855, 2485474, 2999710, 6213685, 8699159, 12427370, 17398318, 43495795, 86991590]

約数ペア:

[(1, 86991590), (2, 43495795), (5, 17398318), (7, 12427370), (10, 8699159), (14, 6213685), (29, 2999710), (35, 2485474), (58, 1499855), (70, 1242737), (145, 599942), (203, 428530), (290, 299971), (406, 214265), (1015, 85706), (2030, 42853)]