1981258268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1\times {\mathrm{1699}}^1$

素因数の和:3290

約数の個数: 48

約数和(自身を含む): 4009824000

約数和(自身を除く): 2028565732

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 1559, 1699, 3118, 3398, 6236, 6796, 17149, 18689, 26503, 28883, 34298, 37378, 53006, 57766, 68596, 74756, 106012, 115532, 291533, 317713, 583066, 635426, 1166132, 1270852, 2648741, 5297482, 10594964, 29136151, 45028597, 58272302, 90057194, 116544604, 180114388, 495314567, 990629134, 1981258268]

約数ペア:

[(1, 1981258268), (2, 990629134), (4, 495314567), (11, 180114388), (17, 116544604), (22, 90057194), (34, 58272302), (44, 45028597), (68, 29136151), (187, 10594964), (374, 5297482), (748, 2648741), (1559, 1270852), (1699, 1166132), (3118, 635426), (3398, 583066), (6236, 317713), (6796, 291533), (17149, 115532), (18689, 106012), (26503, 74756), (28883, 68596), (34298, 57766), (37378, 53006)]