28454381

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 18

約数和(自身を含む): 31603950

約数和(自身を除く): 3149569

約数列:

[1, 19, 23, 149, 361, 437, 529, 2831, 3427, 8303, 10051, 53789, 65113, 78821, 190969, 1237147, 1497599, 28454381]

約数ペア:

[(1, 28454381), (19, 1497599), (23, 1237147), (149, 190969), (361, 78821), (437, 65113), (529, 53789), (2831, 10051), (3427, 8303)]