1980654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 4341120

約数和(自身を除く): 2360466

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 379, 402, 758, 871, 1137, 1742, 2274, 2613, 4927, 5226, 9854, 14781, 25393, 29562, 50786, 76179, 152358, 330109, 660218, 990327, 1980654]

約数ペア:

[(1, 1980654), (2, 990327), (3, 660218), (6, 330109), (13, 152358), (26, 76179), (39, 50786), (67, 29562), (78, 25393), (134, 14781), (201, 9854), (379, 5226), (402, 4927), (758, 2613), (871, 2274), (1137, 1742)]