231590164

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 469712040

約数和(自身を除く): 238121876

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 73, 76, 146, 169, 247, 292, 338, 361, 494, 676, 722, 949, 988, 1387, 1444, 1898, 2197, 2774, 3211, 3796, 4394, 4693, 5548, 6422, 8788, 9386, 12337, 12844, 18031, 18772, 24674, 26353, 36062, 41743, 49348, 52706, 61009, 72124, 83486, 105412, 122018, 160381, 166972, 234403, 244036, 320762, 342589, 468806, 641524, 685178, 793117, 937612, 1370356, 1586234, 3047239, 3172468, 4453657, 6094478, 8907314, 12188956, 17814628, 57897541, 115795082, 231590164]

約数ペア:

[(1, 231590164), (2, 115795082), (4, 57897541), (13, 17814628), (19, 12188956), (26, 8907314), (38, 6094478), (52, 4453657), (73, 3172468), (76, 3047239), (146, 1586234), (169, 1370356), (247, 937612), (292, 793117), (338, 685178), (361, 641524), (494, 468806), (676, 342589), (722, 320762), (949, 244036), (988, 234403), (1387, 166972), (1444, 160381), (1898, 122018), (2197, 105412), (2774, 83486), (3211, 72124), (3796, 61009), (4394, 52706), (4693, 49348), (5548, 41743), (6422, 36062), (8788, 26353), (9386, 24674), (12337, 18772), (12844, 18031)]