81659748

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 194040000

約数和(自身を除く): 112380252

約数列:

[1, 2, 3, 4, 6, 12, 109, 149, 218, 298, 327, 419, 436, 447, 596, 654, 838, 894, 1257, 1308, 1676, 1788, 2514, 5028, 16241, 32482, 45671, 48723, 62431, 64964, 91342, 97446, 124862, 137013, 182684, 187293, 194892, 249724, 274026, 374586, 548052, 749172, 6804979, 13609958, 20414937, 27219916, 40829874, 81659748]

約数ペア:

[(1, 81659748), (2, 40829874), (3, 27219916), (4, 20414937), (6, 13609958), (12, 6804979), (109, 749172), (149, 548052), (218, 374586), (298, 274026), (327, 249724), (419, 194892), (436, 187293), (447, 182684), (596, 137013), (654, 124862), (838, 97446), (894, 91342), (1257, 64964), (1308, 62431), (1676, 48723), (1788, 45671), (2514, 32482), (5028, 16241)]