90213968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:892

約数の個数: 80

約数和(自身を含む): 205986816

約数和(自身を除く): 115772848

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 823, 884, 1054, 1612, 1646, 1768, 2108, 3224, 3292, 3536, 4216, 6448, 6584, 6851, 8432, 10699, 13168, 13702, 13991, 21398, 25513, 27404, 27982, 42796, 51026, 54808, 55964, 85592, 102052, 109616, 111928, 171184, 181883, 204104, 223856, 331669, 363766, 408208, 433721, 663338, 727532, 867442, 1326676, 1455064, 1734884, 2653352, 2910128, 3469768, 5306704, 5638373, 6939536, 11276746, 22553492, 45106984, 90213968]

約数ペア:

[(1, 90213968), (2, 45106984), (4, 22553492), (8, 11276746), (13, 6939536), (16, 5638373), (17, 5306704), (26, 3469768), (31, 2910128), (34, 2653352), (52, 1734884), (62, 1455064), (68, 1326676), (104, 867442), (124, 727532), (136, 663338), (208, 433721), (221, 408208), (248, 363766), (272, 331669), (403, 223856), (442, 204104), (496, 181883), (527, 171184), (806, 111928), (823, 109616), (884, 102052), (1054, 85592), (1612, 55964), (1646, 54808), (1768, 51026), (2108, 42796), (3224, 27982), (3292, 27404), (3536, 25513), (4216, 21398), (6448, 13991), (6584, 13702), (6851, 13168), (8432, 10699)]