640936998

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{119089}}^1$

素因数の和:119133

約数の個数: 48

約数和(自身を含む): 1560555360

約数和(自身を除く): 919618362

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 5382, 119089, 238178, 357267, 714534, 1071801, 1548157, 2143602, 2739047, 3096314, 4644471, 5478094, 8217141, 9288942, 13933413, 16434282, 24651423, 27866826, 35607611, 49302846, 71215222, 106822833, 213645666, 320468499, 640936998]

約数ペア:

[(1, 640936998), (2, 320468499), (3, 213645666), (6, 106822833), (9, 71215222), (13, 49302846), (18, 35607611), (23, 27866826), (26, 24651423), (39, 16434282), (46, 13933413), (69, 9288942), (78, 8217141), (117, 5478094), (138, 4644471), (207, 3096314), (234, 2739047), (299, 2143602), (414, 1548157), (598, 1071801), (897, 714534), (1794, 357267), (2691, 238178), (5382, 119089)]