291280624

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 601032960

約数和(自身を除く): 309752336

約数列:

[1, 2, 4, 8, 16, 43, 67, 71, 86, 89, 134, 142, 172, 178, 268, 284, 344, 356, 536, 568, 688, 712, 1072, 1136, 1424, 2881, 3053, 3827, 4757, 5762, 5963, 6106, 6319, 7654, 9514, 11524, 11926, 12212, 12638, 15308, 19028, 23048, 23852, 24424, 25276, 30616, 38056, 46096, 47704, 48848, 50552, 61232, 76112, 95408, 101104, 204551, 256409, 271717, 409102, 423373, 512818, 543434, 818204, 846746, 1025636, 1086868, 1636408, 1693492, 2051272, 2173736, 3272816, 3386984, 4102544, 4347472, 6773968, 18205039, 36410078, 72820156, 145640312, 291280624]

約数ペア:

[(1, 291280624), (2, 145640312), (4, 72820156), (8, 36410078), (16, 18205039), (43, 6773968), (67, 4347472), (71, 4102544), (86, 3386984), (89, 3272816), (134, 2173736), (142, 2051272), (172, 1693492), (178, 1636408), (268, 1086868), (284, 1025636), (344, 846746), (356, 818204), (536, 543434), (568, 512818), (688, 423373), (712, 409102), (1072, 271717), (1136, 256409), (1424, 204551), (2881, 101104), (3053, 95408), (3827, 76112), (4757, 61232), (5762, 50552), (5963, 48848), (6106, 47704), (6319, 46096), (7654, 38056), (9514, 30616), (11524, 25276), (11926, 24424), (12212, 23852), (12638, 23048), (15308, 19028)]