221643448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 458357760

約数和(自身を除く): 236714312

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 127, 173, 194, 254, 346, 388, 508, 692, 776, 1016, 1261, 1384, 1651, 2249, 2522, 3302, 4498, 5044, 6604, 8996, 10088, 12319, 13208, 16781, 17992, 21971, 24638, 33562, 43942, 49276, 67124, 87884, 98552, 134248, 160147, 175768, 218153, 285623, 320294, 436306, 571246, 640588, 872612, 1142492, 1281176, 1745224, 2131187, 2284984, 4262374, 8524748, 17049496, 27705431, 55410862, 110821724, 221643448]

約数ペア:

[(1, 221643448), (2, 110821724), (4, 55410862), (8, 27705431), (13, 17049496), (26, 8524748), (52, 4262374), (97, 2284984), (104, 2131187), (127, 1745224), (173, 1281176), (194, 1142492), (254, 872612), (346, 640588), (388, 571246), (508, 436306), (692, 320294), (776, 285623), (1016, 218153), (1261, 175768), (1384, 160147), (1651, 134248), (2249, 98552), (2522, 87884), (3302, 67124), (4498, 49276), (5044, 43942), (6604, 33562), (8996, 24638), (10088, 21971), (12319, 17992), (13208, 16781)]