64495210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1213}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 125430480

約数和(自身を除く): 60935270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 1213, 2045, 2426, 4090, 5317, 6065, 10634, 12130, 15769, 26585, 31538, 53170, 78845, 157690, 496117, 992234, 2480585, 4961170, 6449521, 12899042, 32247605, 64495210]

約数ペア:

[(1, 64495210), (2, 32247605), (5, 12899042), (10, 6449521), (13, 4961170), (26, 2480585), (65, 992234), (130, 496117), (409, 157690), (818, 78845), (1213, 53170), (2045, 31538), (2426, 26585), (4090, 15769), (5317, 12130), (6065, 10634)]