15971716

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 28881216

約数和(自身を除く): 12909500

約数列:

[1, 2, 4, 37, 74, 148, 311, 347, 622, 694, 1244, 1388, 11507, 12839, 23014, 25678, 46028, 51356, 107917, 215834, 431668, 3992929, 7985858, 15971716]

約数ペア:

[(1, 15971716), (2, 7985858), (4, 3992929), (37, 431668), (74, 215834), (148, 107917), (311, 51356), (347, 46028), (622, 25678), (694, 23014), (1244, 12839), (1388, 11507)]