890756538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{52889}}^1$

素因数の和:53302

約数の個数: 32

約数和(自身を含む): 2041130880

約数和(自身を除く): 1150374342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 401, 802, 1203, 2406, 2807, 5614, 8421, 16842, 52889, 105778, 158667, 317334, 370223, 740446, 1110669, 2221338, 21208489, 42416978, 63625467, 127250934, 148459423, 296918846, 445378269, 890756538]

約数ペア:

[(1, 890756538), (2, 445378269), (3, 296918846), (6, 148459423), (7, 127250934), (14, 63625467), (21, 42416978), (42, 21208489), (401, 2221338), (802, 1110669), (1203, 740446), (2406, 370223), (2807, 317334), (5614, 158667), (8421, 105778), (16842, 52889)]