664220916

素因数分解:

$2^2\times 3^2\times {\mathrm{18450581}}^1$

素因数の和:18450591

約数の個数: 18

約数和(自身を含む): 1679002962

約数和(自身を除く): 1014782046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 18450581, 36901162, 55351743, 73802324, 110703486, 166055229, 221406972, 332110458, 664220916]

約数ペア:

[(1, 664220916), (2, 332110458), (3, 221406972), (4, 166055229), (6, 110703486), (9, 73802324), (12, 55351743), (18, 36901162), (36, 18450581)]