28903864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 34600136

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 59, 76, 88, 118, 152, 209, 236, 293, 418, 472, 586, 649, 836, 1121, 1172, 1298, 1672, 2242, 2344, 2596, 3223, 4484, 5192, 5567, 6446, 8968, 11134, 12331, 12892, 17287, 22268, 24662, 25784, 34574, 44536, 49324, 61237, 69148, 98648, 122474, 138296, 190157, 244948, 328453, 380314, 489896, 656906, 760628, 1313812, 1521256, 2627624, 3612983, 7225966, 14451932, 28903864]

約数ペア:

[(1, 28903864), (2, 14451932), (4, 7225966), (8, 3612983), (11, 2627624), (19, 1521256), (22, 1313812), (38, 760628), (44, 656906), (59, 489896), (76, 380314), (88, 328453), (118, 244948), (152, 190157), (209, 138296), (236, 122474), (293, 98648), (418, 69148), (472, 61237), (586, 49324), (649, 44536), (836, 34574), (1121, 25784), (1172, 24662), (1298, 22268), (1672, 17287), (2242, 12892), (2344, 12331), (2596, 11134), (3223, 8968), (4484, 6446), (5192, 5567)]