391190668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{619}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 764951040

約数和(自身を除く): 373760372

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 271, 542, 583, 619, 1084, 1166, 1238, 2332, 2476, 2981, 5962, 6809, 11924, 13618, 14363, 27236, 28726, 32807, 57452, 65614, 131228, 157993, 167749, 315986, 335498, 360877, 631972, 670996, 721754, 1443508, 1845239, 3690478, 7380956, 8890697, 17781394, 35562788, 97797667, 195595334, 391190668]

約数ペア:

[(1, 391190668), (2, 195595334), (4, 97797667), (11, 35562788), (22, 17781394), (44, 8890697), (53, 7380956), (106, 3690478), (212, 1845239), (271, 1443508), (542, 721754), (583, 670996), (619, 631972), (1084, 360877), (1166, 335498), (1238, 315986), (2332, 167749), (2476, 157993), (2981, 131228), (5962, 65614), (6809, 57452), (11924, 32807), (13618, 28726), (14363, 27236)]