28997969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 10676911

約数列:

[1, 7, 11, 13, 59, 77, 91, 143, 413, 491, 649, 767, 1001, 3437, 4543, 5369, 5401, 6383, 8437, 28969, 37807, 44681, 59059, 70213, 202783, 318659, 376597, 491491, 2230613, 2636179, 4142567, 28997969]

約数ペア:

[(1, 28997969), (7, 4142567), (11, 2636179), (13, 2230613), (59, 491491), (77, 376597), (91, 318659), (143, 202783), (413, 70213), (491, 59059), (649, 44681), (767, 37807), (1001, 28969), (3437, 8437), (4543, 6383), (5369, 5401)]