289295968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22433}}^1$

素因数の和:22487

約数の個数: 48

約数和(自身を含む): 633177216

約数和(自身を除く): 343881248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 22433, 44866, 89732, 179464, 291629, 358928, 583258, 695423, 717856, 1166516, 1390846, 2333032, 2781692, 4666064, 5563384, 9040499, 9332128, 11126768, 18080998, 22253536, 36161996, 72323992, 144647984, 289295968]

約数ペア:

[(1, 289295968), (2, 144647984), (4, 72323992), (8, 36161996), (13, 22253536), (16, 18080998), (26, 11126768), (31, 9332128), (32, 9040499), (52, 5563384), (62, 4666064), (104, 2781692), (124, 2333032), (208, 1390846), (248, 1166516), (403, 717856), (416, 695423), (496, 583258), (806, 358928), (992, 291629), (1612, 179464), (3224, 89732), (6448, 44866), (12896, 22433)]