28204513

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 31173120

約数和(自身を除く): 2968607

約数列:

[1, 17, 31, 109, 491, 527, 1853, 3379, 8347, 15221, 53519, 57443, 258757, 909823, 1659089, 28204513]

約数ペア:

[(1, 28204513), (17, 1659089), (31, 909823), (109, 258757), (491, 57443), (527, 53519), (1853, 15221), (3379, 8347)]