129787988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 265446720

約数和(自身を除く): 135658732

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 89, 92, 121, 131, 178, 242, 253, 262, 356, 484, 506, 524, 979, 1012, 1441, 1958, 2047, 2783, 2882, 3013, 3916, 4094, 5566, 5764, 6026, 8188, 10769, 11132, 11659, 12052, 15851, 21538, 22517, 23318, 31702, 33143, 43076, 45034, 46636, 63404, 66286, 90068, 128249, 132572, 247687, 256498, 268157, 364573, 495374, 512996, 536314, 729146, 990748, 1072628, 1410739, 1458292, 2821478, 2949727, 5642956, 5899454, 11798908, 32446997, 64893994, 129787988]

約数ペア:

[(1, 129787988), (2, 64893994), (4, 32446997), (11, 11798908), (22, 5899454), (23, 5642956), (44, 2949727), (46, 2821478), (89, 1458292), (92, 1410739), (121, 1072628), (131, 990748), (178, 729146), (242, 536314), (253, 512996), (262, 495374), (356, 364573), (484, 268157), (506, 256498), (524, 247687), (979, 132572), (1012, 128249), (1441, 90068), (1958, 66286), (2047, 63404), (2783, 46636), (2882, 45034), (3013, 43076), (3916, 33143), (4094, 31702), (5566, 23318), (5764, 22517), (6026, 21538), (8188, 15851), (10769, 12052), (11132, 11659)]