217241552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1452

約数の個数: 80

約数和(自身を含む): 490682880

約数和(自身を除く): 273441328

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 31, 44, 58, 62, 88, 116, 124, 176, 232, 248, 319, 341, 464, 496, 638, 682, 899, 1276, 1364, 1373, 1798, 2552, 2728, 2746, 3596, 5104, 5456, 5492, 7192, 9889, 10984, 14384, 15103, 19778, 21968, 30206, 39556, 39817, 42563, 60412, 79112, 79634, 85126, 120824, 158224, 159268, 170252, 241648, 318536, 340504, 437987, 468193, 637072, 681008, 875974, 936386, 1234327, 1751948, 1872772, 2468654, 3503896, 3745544, 4937308, 7007792, 7491088, 9874616, 13577597, 19749232, 27155194, 54310388, 108620776, 217241552]

約数ペア:

[(1, 217241552), (2, 108620776), (4, 54310388), (8, 27155194), (11, 19749232), (16, 13577597), (22, 9874616), (29, 7491088), (31, 7007792), (44, 4937308), (58, 3745544), (62, 3503896), (88, 2468654), (116, 1872772), (124, 1751948), (176, 1234327), (232, 936386), (248, 875974), (319, 681008), (341, 637072), (464, 468193), (496, 437987), (638, 340504), (682, 318536), (899, 241648), (1276, 170252), (1364, 159268), (1373, 158224), (1798, 120824), (2552, 85126), (2728, 79634), (2746, 79112), (3596, 60412), (5104, 42563), (5456, 39817), (5492, 39556), (7192, 30206), (9889, 21968), (10984, 19778), (14384, 15103)]