40317389

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 47042688

約数和(自身を除く): 6725299

約数列:

[1, 7, 73, 257, 307, 511, 1799, 2149, 18761, 22411, 78899, 131327, 156877, 552293, 5759627, 40317389]

約数ペア:

[(1, 40317389), (7, 5759627), (73, 552293), (257, 156877), (307, 131327), (511, 78899), (1799, 22411), (2149, 18761)]