231297836

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 521240832

約数和(自身を除く): 289942996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 284, 308, 497, 539, 781, 994, 1078, 1511, 1562, 1988, 2156, 3022, 3124, 3479, 5467, 6044, 6958, 10577, 10934, 13916, 16621, 21154, 21868, 33242, 38269, 42308, 66484, 74039, 76538, 107281, 116347, 148078, 153076, 214562, 232694, 296156, 429124, 465388, 750967, 814429, 1180091, 1501934, 1628858, 2360182, 3003868, 3257716, 4720364, 5256769, 8260637, 10513538, 16521274, 21027076, 33042548, 57824459, 115648918, 231297836]

約数ペア:

[(1, 231297836), (2, 115648918), (4, 57824459), (7, 33042548), (11, 21027076), (14, 16521274), (22, 10513538), (28, 8260637), (44, 5256769), (49, 4720364), (71, 3257716), (77, 3003868), (98, 2360182), (142, 1628858), (154, 1501934), (196, 1180091), (284, 814429), (308, 750967), (497, 465388), (539, 429124), (781, 296156), (994, 232694), (1078, 214562), (1511, 153076), (1562, 148078), (1988, 116347), (2156, 107281), (3022, 76538), (3124, 74039), (3479, 66484), (5467, 42308), (6044, 38269), (6958, 33242), (10577, 21868), (10934, 21154), (13916, 16621)]