1624007

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 2166912

約数和(自身を除く): 542905

約数列:

[1, 7, 11, 23, 49, 77, 131, 161, 253, 539, 917, 1127, 1441, 1771, 3013, 6419, 10087, 12397, 21091, 33143, 70609, 147637, 232001, 1624007]

約数ペア:

[(1, 1624007), (7, 232001), (11, 147637), (23, 70609), (49, 33143), (77, 21091), (131, 12397), (161, 10087), (253, 6419), (539, 3013), (917, 1771), (1127, 1441)]