26923990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 49610880

約数和(自身を除く): 22686890

約数列:

[1, 2, 5, 10, 79, 158, 173, 197, 346, 394, 395, 790, 865, 985, 1730, 1970, 13667, 15563, 27334, 31126, 34081, 68162, 68335, 77815, 136670, 155630, 170405, 340810, 2692399, 5384798, 13461995, 26923990]

約数ペア:

[(1, 26923990), (2, 13461995), (5, 5384798), (10, 2692399), (79, 340810), (158, 170405), (173, 155630), (197, 136670), (346, 77815), (394, 68335), (395, 68162), (790, 34081), (865, 31126), (985, 27334), (1730, 15563), (1970, 13667)]