128686576

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1669}}^1$

素因数の和:1817

約数の個数: 40

約数和(自身を含む): 256779200

約数和(自身を除く): 128092624

約数列:

[1, 2, 4, 8, 16, 61, 79, 122, 158, 244, 316, 488, 632, 976, 1264, 1669, 3338, 4819, 6676, 9638, 13352, 19276, 26704, 38552, 77104, 101809, 131851, 203618, 263702, 407236, 527404, 814472, 1054808, 1628944, 2109616, 8042911, 16085822, 32171644, 64343288, 128686576]

約数ペア:

[(1, 128686576), (2, 64343288), (4, 32171644), (8, 16085822), (16, 8042911), (61, 2109616), (79, 1628944), (122, 1054808), (158, 814472), (244, 527404), (316, 407236), (488, 263702), (632, 203618), (976, 131851), (1264, 101809), (1669, 77104), (3338, 38552), (4819, 26704), (6676, 19276), (9638, 13352)]