81576565

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 116640000

約数和(自身を除く): 35063435

約数列:

[1, 5, 7, 29, 35, 145, 179, 203, 449, 895, 1015, 1253, 2245, 3143, 5191, 6265, 13021, 15715, 25955, 36337, 65105, 80371, 91147, 181685, 401855, 455735, 562597, 2330759, 2812985, 11653795, 16315313, 81576565]

約数ペア:

[(1, 81576565), (5, 16315313), (7, 11653795), (29, 2812985), (35, 2330759), (145, 562597), (179, 455735), (203, 401855), (449, 181685), (895, 91147), (1015, 80371), (1253, 65105), (2245, 36337), (3143, 25955), (5191, 15715), (6265, 13021)]