204562897

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 280713600

約数和(自身を除く): 76150703

約数列:

[1, 7, 11, 23, 29, 49, 77, 161, 203, 253, 319, 539, 569, 667, 1127, 1421, 1771, 2233, 3983, 4669, 6259, 7337, 12397, 13087, 15631, 16501, 27881, 32683, 43813, 51359, 91609, 115507, 143957, 181511, 306691, 359513, 379523, 641263, 808549, 1007699, 1270577, 2656661, 4174753, 7053893, 8894039, 18596627, 29223271, 204562897]

約数ペア:

[(1, 204562897), (7, 29223271), (11, 18596627), (23, 8894039), (29, 7053893), (49, 4174753), (77, 2656661), (161, 1270577), (203, 1007699), (253, 808549), (319, 641263), (539, 379523), (569, 359513), (667, 306691), (1127, 181511), (1421, 143957), (1771, 115507), (2233, 91609), (3983, 51359), (4669, 43813), (6259, 32683), (7337, 27881), (12397, 16501), (13087, 15631)]