16121388

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 38931200

約数和(自身を除く): 22809812

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 157, 172, 199, 258, 314, 398, 471, 516, 597, 628, 796, 942, 1194, 1884, 2388, 6751, 8557, 13502, 17114, 20253, 25671, 27004, 31243, 34228, 40506, 51342, 62486, 81012, 93729, 102684, 124972, 187458, 374916, 1343449, 2686898, 4030347, 5373796, 8060694, 16121388]

約数ペア:

[(1, 16121388), (2, 8060694), (3, 5373796), (4, 4030347), (6, 2686898), (12, 1343449), (43, 374916), (86, 187458), (129, 124972), (157, 102684), (172, 93729), (199, 81012), (258, 62486), (314, 51342), (398, 40506), (471, 34228), (516, 31243), (597, 27004), (628, 25671), (796, 20253), (942, 17114), (1194, 13502), (1884, 8557), (2388, 6751)]