67871284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21397}}^1$

素因数の和:21475

約数の個数: 24

約数和(自身を含む): 130014248

約数和(自身を除く): 62142964

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 21397, 42794, 85588, 278161, 556322, 1112644, 1305217, 2610434, 5220868, 16967821, 33935642, 67871284]

約数ペア:

[(1, 67871284), (2, 33935642), (4, 16967821), (13, 5220868), (26, 2610434), (52, 1305217), (61, 1112644), (122, 556322), (244, 278161), (793, 85588), (1586, 42794), (3172, 21397)]