221690448

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{219931}}^1$

素因数の和:219952

約数の個数: 60

約数和(自身を含む): 709060768

約数和(自身を除く): 487370320

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 219931, 439862, 659793, 879724, 1319586, 1539517, 1759448, 1979379, 2639172, 3079034, 3518896, 3958758, 4618551, 5278344, 6158068, 7917516, 9237102, 10556688, 12316136, 13855653, 15835032, 18474204, 24632272, 27711306, 31670064, 36948408, 55422612, 73896816, 110845224, 221690448]

約数ペア:

[(1, 221690448), (2, 110845224), (3, 73896816), (4, 55422612), (6, 36948408), (7, 31670064), (8, 27711306), (9, 24632272), (12, 18474204), (14, 15835032), (16, 13855653), (18, 12316136), (21, 10556688), (24, 9237102), (28, 7917516), (36, 6158068), (42, 5278344), (48, 4618551), (56, 3958758), (63, 3518896), (72, 3079034), (84, 2639172), (112, 1979379), (126, 1759448), (144, 1539517), (168, 1319586), (252, 879724), (336, 659793), (504, 439862), (1008, 219931)]