81593648

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61441}}^1$

素因数の和:61532

約数の個数: 20

約数和(自身を含む): 159994968

約数和(自身を除く): 78401320

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61441, 122882, 245764, 491528, 983056, 5099603, 10199206, 20398412, 40796824, 81593648]

約数ペア:

[(1, 81593648), (2, 40796824), (4, 20398412), (8, 10199206), (16, 5099603), (83, 983056), (166, 491528), (332, 245764), (664, 122882), (1328, 61441)]