207320872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 434678400

約数和(自身を除く): 227357528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 103, 178, 206, 257, 356, 412, 514, 712, 824, 979, 1028, 1133, 1958, 2056, 2266, 2827, 3916, 4532, 5654, 7832, 9064, 9167, 11308, 18334, 22616, 22873, 26471, 36668, 45746, 52942, 73336, 91492, 100837, 105884, 182984, 201674, 211768, 251603, 291181, 403348, 503206, 582362, 806696, 1006412, 1164724, 2012824, 2329448, 2355919, 4711838, 9423676, 18847352, 25915109, 51830218, 103660436, 207320872]

約数ペア:

[(1, 207320872), (2, 103660436), (4, 51830218), (8, 25915109), (11, 18847352), (22, 9423676), (44, 4711838), (88, 2355919), (89, 2329448), (103, 2012824), (178, 1164724), (206, 1006412), (257, 806696), (356, 582362), (412, 503206), (514, 403348), (712, 291181), (824, 251603), (979, 211768), (1028, 201674), (1133, 182984), (1958, 105884), (2056, 100837), (2266, 91492), (2827, 73336), (3916, 52942), (4532, 45746), (5654, 36668), (7832, 26471), (9064, 22873), (9167, 22616), (11308, 18334)]