1291728368

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{145991}}^1$

素因数の和:146085

約数の個数: 40

約数和(自身を含む): 2896481280

約数和(自身を除く): 1604752912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 145991, 291982, 583964, 1021937, 1167928, 2043874, 2335856, 4087748, 8175496, 11533289, 16350992, 23066578, 46133156, 80733023, 92266312, 161466046, 184532624, 322932092, 645864184, 1291728368]

約数ペア:

[(1, 1291728368), (2, 645864184), (4, 322932092), (7, 184532624), (8, 161466046), (14, 92266312), (16, 80733023), (28, 46133156), (56, 23066578), (79, 16350992), (112, 11533289), (158, 8175496), (316, 4087748), (553, 2335856), (632, 2043874), (1106, 1167928), (1264, 1021937), (2212, 583964), (4424, 291982), (8848, 145991)]