1291456

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1216

約数の個数: 28

約数和(自身を含む): 2715768

約数和(自身を除く): 1424312

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 1187, 2374, 4748, 9496, 18992, 20179, 37984, 40358, 75968, 80716, 161432, 322864, 645728, 1291456]

約数ペア:

[(1, 1291456), (2, 645728), (4, 322864), (8, 161432), (16, 80716), (17, 75968), (32, 40358), (34, 37984), (64, 20179), (68, 18992), (136, 9496), (272, 4748), (544, 2374), (1088, 1187)]