251999072

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1399}}^1$

素因数の和:1855

約数の個数: 48

約数和(自身を含む): 535903200

約数和(自身を除く): 283904128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 433, 866, 1399, 1732, 2798, 3464, 5596, 5629, 6928, 11192, 11258, 13856, 18187, 22384, 22516, 36374, 44768, 45032, 72748, 90064, 145496, 180128, 290992, 581984, 605767, 1211534, 2423068, 4846136, 7874971, 9692272, 15749942, 19384544, 31499884, 62999768, 125999536, 251999072]

約数ペア:

[(1, 251999072), (2, 125999536), (4, 62999768), (8, 31499884), (13, 19384544), (16, 15749942), (26, 9692272), (32, 7874971), (52, 4846136), (104, 2423068), (208, 1211534), (416, 605767), (433, 581984), (866, 290992), (1399, 180128), (1732, 145496), (2798, 90064), (3464, 72748), (5596, 45032), (5629, 44768), (6928, 36374), (11192, 22516), (11258, 22384), (13856, 18187)]