28249585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 42642432

約数和(自身を除く): 14392847

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1321, 1645, 3055, 4277, 6605, 9247, 17173, 21385, 46235, 62087, 85865, 120211, 310435, 434609, 601055, 807131, 2173045, 4035655, 5649917, 28249585]

約数ペア:

[(1, 28249585), (5, 5649917), (7, 4035655), (13, 2173045), (35, 807131), (47, 601055), (65, 434609), (91, 310435), (235, 120211), (329, 85865), (455, 62087), (611, 46235), (1321, 21385), (1645, 17173), (3055, 9247), (4277, 6605)]