1723956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 4449984

約数和(自身を除く): 2726028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 257, 258, 514, 516, 559, 771, 1028, 1118, 1542, 1677, 2236, 3084, 3341, 3354, 6682, 6708, 10023, 11051, 13364, 20046, 22102, 33153, 40092, 44204, 66306, 132612, 143663, 287326, 430989, 574652, 861978, 1723956]

約数ペア:

[(1, 1723956), (2, 861978), (3, 574652), (4, 430989), (6, 287326), (12, 143663), (13, 132612), (26, 66306), (39, 44204), (43, 40092), (52, 33153), (78, 22102), (86, 20046), (129, 13364), (156, 11051), (172, 10023), (257, 6708), (258, 6682), (514, 3354), (516, 3341), (559, 3084), (771, 2236), (1028, 1677), (1118, 1542)]