257573104

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{1307}}^1$

素因数の和:1537

約数の個数: 40

約数和(自身を含む): 508471920

約数和(自身を除く): 250898816

約数列:

[1, 2, 4, 8, 16, 109, 113, 218, 226, 436, 452, 872, 904, 1307, 1744, 1808, 2614, 5228, 10456, 12317, 20912, 24634, 49268, 98536, 142463, 147691, 197072, 284926, 295382, 569852, 590764, 1139704, 1181528, 2279408, 2363056, 16098319, 32196638, 64393276, 128786552, 257573104]

約数ペア:

[(1, 257573104), (2, 128786552), (4, 64393276), (8, 32196638), (16, 16098319), (109, 2363056), (113, 2279408), (218, 1181528), (226, 1139704), (436, 590764), (452, 569852), (872, 295382), (904, 284926), (1307, 197072), (1744, 147691), (1808, 142463), (2614, 98536), (5228, 49268), (10456, 24634), (12317, 20912)]