28654210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 55847232

約数和(自身を除く): 27193022

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 971, 1135, 1942, 2270, 2951, 4855, 5902, 9710, 12623, 14755, 25246, 29510, 63115, 126230, 220417, 440834, 1102085, 2204170, 2865421, 5730842, 14327105, 28654210]

約数ペア:

[(1, 28654210), (2, 14327105), (5, 5730842), (10, 2865421), (13, 2204170), (26, 1102085), (65, 440834), (130, 220417), (227, 126230), (454, 63115), (971, 29510), (1135, 25246), (1942, 14755), (2270, 12623), (2951, 9710), (4855, 5902)]