280147776256

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{17939791}}^1$

素因数の和:17939868

約数の個数: 36

約数和(自身を含む): 568368490144

約数和(自身を除く): 288220713888

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1952, 3904, 7808, 15616, 17939791, 35879582, 71759164, 143518328, 287036656, 574073312, 1094327251, 1148146624, 2188654502, 2296293248, 4377309004, 4592586496, 8754618008, 17509236016, 35018472032, 70036944064, 140073888128, 280147776256]

約数ペア:

[(1, 280147776256), (2, 140073888128), (4, 70036944064), (8, 35018472032), (16, 17509236016), (32, 8754618008), (61, 4592586496), (64, 4377309004), (122, 2296293248), (128, 2188654502), (244, 1148146624), (256, 1094327251), (488, 574073312), (976, 287036656), (1952, 143518328), (3904, 71759164), (7808, 35879582), (15616, 17939791)]