291275138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{9601}}^1$

素因数の和:9818

約数の個数: 32

約数和(自身を含む): 547544448

約数和(自身を除く): 256269310

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 1379, 2167, 2758, 4334, 9601, 15169, 19202, 30338, 67207, 105611, 134414, 211222, 739277, 1478554, 1891397, 3782794, 13239779, 20805367, 26479558, 41610734, 145637569, 291275138]

約数ペア:

[(1, 291275138), (2, 145637569), (7, 41610734), (11, 26479558), (14, 20805367), (22, 13239779), (77, 3782794), (154, 1891397), (197, 1478554), (394, 739277), (1379, 211222), (2167, 134414), (2758, 105611), (4334, 67207), (9601, 30338), (15169, 19202)]