128130256

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2599

約数の個数: 40

約数和(自身を含む): 257186664

約数和(自身を除く): 129056408

約数列:

[1, 2, 4, 8, 16, 53, 61, 106, 122, 212, 244, 424, 488, 848, 976, 2477, 3233, 4954, 6466, 9908, 12932, 19816, 25864, 39632, 51728, 131281, 151097, 262562, 302194, 525124, 604388, 1050248, 1208776, 2100496, 2417552, 8008141, 16016282, 32032564, 64065128, 128130256]

約数ペア:

[(1, 128130256), (2, 64065128), (4, 32032564), (8, 16016282), (16, 8008141), (53, 2417552), (61, 2100496), (106, 1208776), (122, 1050248), (212, 604388), (244, 525124), (424, 302194), (488, 262562), (848, 151097), (976, 131281), (2477, 51728), (3233, 39632), (4954, 25864), (6466, 19816), (9908, 12932)]