218388534

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{399979}}^1$

素因数の和:400004

約数の個数: 32

約数和(自身を含む): 537573120

約数和(自身を除く): 319184586

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 399979, 799958, 1199937, 2399874, 2799853, 5199727, 5599706, 8399559, 10399454, 15599181, 16799118, 31198362, 36398089, 72796178, 109194267, 218388534]

約数ペア:

[(1, 218388534), (2, 109194267), (3, 72796178), (6, 36398089), (7, 31198362), (13, 16799118), (14, 15599181), (21, 10399454), (26, 8399559), (39, 5599706), (42, 5199727), (78, 2799853), (91, 2399874), (182, 1199937), (273, 799958), (546, 399979)]