681399712

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{178939}}^1$

素因数の和:178973

約数の個数: 48

約数和(自身を含む): 1623343680

約数和(自身を除く): 941943968

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 178939, 357878, 715756, 1252573, 1431512, 2505146, 2863024, 3041963, 5010292, 5726048, 6083926, 10020584, 12167852, 20041168, 21293741, 24335704, 40082336, 42587482, 48671408, 85174964, 97342816, 170349928, 340699856, 681399712]

約数ペア:

[(1, 681399712), (2, 340699856), (4, 170349928), (7, 97342816), (8, 85174964), (14, 48671408), (16, 42587482), (17, 40082336), (28, 24335704), (32, 21293741), (34, 20041168), (56, 12167852), (68, 10020584), (112, 6083926), (119, 5726048), (136, 5010292), (224, 3041963), (238, 2863024), (272, 2505146), (476, 1431512), (544, 1252573), (952, 715756), (1904, 357878), (3808, 178939)]