40398344

素因数分解:

$2^3\times 7^2\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 88677180

約数和(自身を除く): 48278836

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 257, 392, 401, 514, 802, 1028, 1604, 1799, 2056, 2807, 3208, 3598, 5614, 7196, 11228, 12593, 14392, 19649, 22456, 25186, 39298, 50372, 78596, 100744, 103057, 157192, 206114, 412228, 721399, 824456, 1442798, 2885596, 5049793, 5771192, 10099586, 20199172, 40398344]

約数ペア:

[(1, 40398344), (2, 20199172), (4, 10099586), (7, 5771192), (8, 5049793), (14, 2885596), (28, 1442798), (49, 824456), (56, 721399), (98, 412228), (196, 206114), (257, 157192), (392, 103057), (401, 100744), (514, 78596), (802, 50372), (1028, 39298), (1604, 25186), (1799, 22456), (2056, 19649), (2807, 14392), (3208, 12593), (3598, 11228), (5614, 7196)]