639956716

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{3761}}^1$

素因数の和:3934

約数の個数: 48

約数和(自身を含む): 1314593280

約数和(自身を除く): 674636564

約数列:

[1, 2, 4, 7, 14, 28, 59, 103, 118, 206, 236, 412, 413, 721, 826, 1442, 1652, 2884, 3761, 6077, 7522, 12154, 15044, 24308, 26327, 42539, 52654, 85078, 105308, 170156, 221899, 387383, 443798, 774766, 887596, 1549532, 1553293, 2711681, 3106586, 5423362, 6213172, 10846724, 22855597, 45711194, 91422388, 159989179, 319978358, 639956716]

約数ペア:

[(1, 639956716), (2, 319978358), (4, 159989179), (7, 91422388), (14, 45711194), (28, 22855597), (59, 10846724), (103, 6213172), (118, 5423362), (206, 3106586), (236, 2711681), (412, 1553293), (413, 1549532), (721, 887596), (826, 774766), (1442, 443798), (1652, 387383), (2884, 221899), (3761, 170156), (6077, 105308), (7522, 85078), (12154, 52654), (15044, 42539), (24308, 26327)]