399156654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{76379}}^1$

素因数の和:76464

約数の個数: 32

約数和(自身を含む): 872565120

約数和(自身を除く): 473408466

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 76379, 152758, 229137, 458274, 992927, 1985854, 2978781, 5117393, 5957562, 10234786, 15352179, 30704358, 66526109, 133052218, 199578327, 399156654]

約数ペア:

[(1, 399156654), (2, 199578327), (3, 133052218), (6, 66526109), (13, 30704358), (26, 15352179), (39, 10234786), (67, 5957562), (78, 5117393), (134, 2978781), (201, 1985854), (402, 992927), (871, 458274), (1742, 229137), (2613, 152758), (5226, 76379)]