81916984

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1283}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 160859520

約数和(自身を除く): 78942536

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 347, 694, 1283, 1388, 2566, 2776, 5132, 7981, 10264, 15962, 29509, 31924, 59018, 63848, 118036, 236072, 445201, 890402, 1780804, 3561608, 10239623, 20479246, 40958492, 81916984]

約数ペア:

[(1, 81916984), (2, 40958492), (4, 20479246), (8, 10239623), (23, 3561608), (46, 1780804), (92, 890402), (184, 445201), (347, 236072), (694, 118036), (1283, 63848), (1388, 59018), (2566, 31924), (2776, 29509), (5132, 15962), (7981, 10264)]