13749988

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 54

約数和(自身を含む): 29319318

約数和(自身を除く): 15569330

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 73, 98, 124, 146, 196, 217, 292, 434, 511, 868, 961, 1022, 1519, 1922, 2044, 2263, 3038, 3577, 3844, 4526, 6076, 6727, 7154, 9052, 13454, 14308, 15841, 26908, 31682, 47089, 63364, 70153, 94178, 110887, 140306, 188356, 221774, 280612, 443548, 491071, 982142, 1964284, 3437497, 6874994, 13749988]

約数ペア:

[(1, 13749988), (2, 6874994), (4, 3437497), (7, 1964284), (14, 982142), (28, 491071), (31, 443548), (49, 280612), (62, 221774), (73, 188356), (98, 140306), (124, 110887), (146, 94178), (196, 70153), (217, 63364), (292, 47089), (434, 31682), (511, 26908), (868, 15841), (961, 14308), (1022, 13454), (1519, 9052), (1922, 7154), (2044, 6727), (2263, 6076), (3038, 4526), (3577, 3844)]