131998748

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 290304000

約数和(自身を除く): 158305252

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 49, 89, 92, 94, 98, 161, 178, 188, 196, 322, 329, 343, 356, 623, 644, 658, 686, 1081, 1127, 1246, 1316, 1372, 2047, 2162, 2254, 2303, 2492, 4094, 4183, 4324, 4361, 4508, 4606, 7567, 7889, 8188, 8366, 8722, 9212, 14329, 15134, 15778, 16121, 16732, 17444, 28658, 29281, 30268, 30527, 31556, 32242, 52969, 57316, 58562, 61054, 64484, 96209, 100303, 105938, 117124, 122108, 192418, 200606, 204967, 211876, 370783, 384836, 401212, 409934, 673463, 702121, 741566, 819868, 1346926, 1404242, 1434769, 1483132, 2693852, 2808484, 2869538, 4714241, 5739076, 9428482, 18856964, 32999687, 65999374, 131998748]

約数ペア:

[(1, 131998748), (2, 65999374), (4, 32999687), (7, 18856964), (14, 9428482), (23, 5739076), (28, 4714241), (46, 2869538), (47, 2808484), (49, 2693852), (89, 1483132), (92, 1434769), (94, 1404242), (98, 1346926), (161, 819868), (178, 741566), (188, 702121), (196, 673463), (322, 409934), (329, 401212), (343, 384836), (356, 370783), (623, 211876), (644, 204967), (658, 200606), (686, 192418), (1081, 122108), (1127, 117124), (1246, 105938), (1316, 100303), (1372, 96209), (2047, 64484), (2162, 61054), (2254, 58562), (2303, 57316), (2492, 52969), (4094, 32242), (4183, 31556), (4324, 30527), (4361, 30268), (4508, 29281), (4606, 28658), (7567, 17444), (7889, 16732), (8188, 16121), (8366, 15778), (8722, 15134), (9212, 14329)]