978948

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:464

約数の個数: 36

約数和(自身を含む): 2515968

約数和(自身を除く): 1537020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 383, 426, 639, 766, 852, 1149, 1278, 1532, 2298, 2556, 3447, 4596, 6894, 13788, 27193, 54386, 81579, 108772, 163158, 244737, 326316, 489474, 978948]

約数ペア:

[(1, 978948), (2, 489474), (3, 326316), (4, 244737), (6, 163158), (9, 108772), (12, 81579), (18, 54386), (36, 27193), (71, 13788), (142, 6894), (213, 4596), (284, 3447), (383, 2556), (426, 2298), (639, 1532), (766, 1278), (852, 1149)]