660668164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{130981}}^1$

素因数の和:131095

約数の個数: 24

約数和(自身を含む): 1257951128

約数和(自身を除く): 597282964

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 130981, 261962, 523924, 1702753, 3405506, 6811012, 12705157, 25410314, 50820628, 165167041, 330334082, 660668164]

約数ペア:

[(1, 660668164), (2, 330334082), (4, 165167041), (13, 50820628), (26, 25410314), (52, 12705157), (97, 6811012), (194, 3405506), (388, 1702753), (1261, 523924), (2522, 261962), (5044, 130981)]