208481965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{773}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 280869120

約数和(自身を除く): 72387155

約数列:

[1, 5, 17, 19, 85, 95, 167, 323, 773, 835, 1615, 2839, 3173, 3865, 13141, 14195, 14687, 15865, 53941, 65705, 73435, 129091, 249679, 269705, 645455, 1248395, 2194547, 2452729, 10972735, 12263645, 41696393, 208481965]

約数ペア:

[(1, 208481965), (5, 41696393), (17, 12263645), (19, 10972735), (85, 2452729), (95, 2194547), (167, 1248395), (323, 645455), (773, 269705), (835, 249679), (1615, 129091), (2839, 73435), (3173, 65705), (3865, 53941), (13141, 15865), (14195, 14687)]