7999838

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 15685488

約数和(自身を除く): 7685650

約数列:

[1, 2, 7, 11, 14, 22, 41, 49, 77, 82, 98, 154, 181, 287, 362, 451, 539, 574, 902, 1078, 1267, 1991, 2009, 2534, 3157, 3982, 4018, 6314, 7421, 8869, 13937, 14842, 17738, 22099, 27874, 44198, 51947, 81631, 97559, 103894, 163262, 195118, 363629, 571417, 727258, 1142834, 3999919, 7999838]

約数ペア:

[(1, 7999838), (2, 3999919), (7, 1142834), (11, 727258), (14, 571417), (22, 363629), (41, 195118), (49, 163262), (77, 103894), (82, 97559), (98, 81631), (154, 51947), (181, 44198), (287, 27874), (362, 22099), (451, 17738), (539, 14842), (574, 13937), (902, 8869), (1078, 7421), (1267, 6314), (1991, 4018), (2009, 3982), (2534, 3157)]