16979072

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 38188800

約数和(自身を除く): 21209728

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 341, 352, 389, 496, 682, 704, 778, 992, 1364, 1408, 1556, 1984, 2728, 3112, 3968, 4279, 5456, 6224, 8558, 10912, 12059, 12448, 17116, 21824, 24118, 24896, 34232, 43648, 48236, 49792, 68464, 96472, 132649, 136928, 192944, 265298, 273856, 385888, 530596, 547712, 771776, 1061192, 1543552, 2122384, 4244768, 8489536, 16979072]

約数ペア:

[(1, 16979072), (2, 8489536), (4, 4244768), (8, 2122384), (11, 1543552), (16, 1061192), (22, 771776), (31, 547712), (32, 530596), (44, 385888), (62, 273856), (64, 265298), (88, 192944), (124, 136928), (128, 132649), (176, 96472), (248, 68464), (341, 49792), (352, 48236), (389, 43648), (496, 34232), (682, 24896), (704, 24118), (778, 21824), (992, 17116), (1364, 12448), (1408, 12059), (1556, 10912), (1984, 8558), (2728, 6224), (3112, 5456), (3968, 4279)]