2161878

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 4561920

約数和(自身を除く): 2400042

約数列:

[1, 2, 3, 6, 31, 59, 62, 93, 118, 177, 186, 197, 354, 394, 591, 1182, 1829, 3658, 5487, 6107, 10974, 11623, 12214, 18321, 23246, 34869, 36642, 69738, 360313, 720626, 1080939, 2161878]

約数ペア:

[(1, 2161878), (2, 1080939), (3, 720626), (6, 360313), (31, 69738), (59, 36642), (62, 34869), (93, 23246), (118, 18321), (177, 12214), (186, 11623), (197, 10974), (354, 6107), (394, 5487), (591, 3658), (1182, 1829)]