221319448

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2633}}^1$

素因数の和:2744

約数の個数: 64

約数和(自身を含む): 505728000

約数和(自身を除く): 284408552

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 79, 133, 152, 158, 266, 316, 532, 553, 632, 1064, 1106, 1501, 2212, 2633, 3002, 4424, 5266, 6004, 10507, 10532, 12008, 18431, 21014, 21064, 36862, 42028, 50027, 73724, 84056, 100054, 147448, 200108, 208007, 350189, 400216, 416014, 700378, 832028, 1400756, 1456049, 1664056, 2801512, 2912098, 3952133, 5824196, 7904266, 11648392, 15808532, 27664931, 31617064, 55329862, 110659724, 221319448]

約数ペア:

[(1, 221319448), (2, 110659724), (4, 55329862), (7, 31617064), (8, 27664931), (14, 15808532), (19, 11648392), (28, 7904266), (38, 5824196), (56, 3952133), (76, 2912098), (79, 2801512), (133, 1664056), (152, 1456049), (158, 1400756), (266, 832028), (316, 700378), (532, 416014), (553, 400216), (632, 350189), (1064, 208007), (1106, 200108), (1501, 147448), (2212, 100054), (2633, 84056), (3002, 73724), (4424, 50027), (5266, 42028), (6004, 36862), (10507, 21064), (10532, 21014), (12008, 18431)]