218185890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{559451}}^1$

素因数の和:559474

約数の個数: 32

約数和(自身を含む): 563927616

約数和(自身を除く): 345741726

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 559451, 1118902, 1678353, 2797255, 3356706, 5594510, 7272863, 8391765, 14545726, 16783530, 21818589, 36364315, 43637178, 72728630, 109092945, 218185890]

約数ペア:

[(1, 218185890), (2, 109092945), (3, 72728630), (5, 43637178), (6, 36364315), (10, 21818589), (13, 16783530), (15, 14545726), (26, 8391765), (30, 7272863), (39, 5594510), (65, 3356706), (78, 2797255), (130, 1678353), (195, 1118902), (390, 559451)]