221423724

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{86629}}^1$

素因数の和:86710

約数の個数: 36

約数和(自身を含む): 567599760

約数和(自身を除く): 346176036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 86629, 173258, 259887, 346516, 519774, 779661, 1039548, 1559322, 3118644, 6150659, 12301318, 18451977, 24602636, 36903954, 55355931, 73807908, 110711862, 221423724]

約数ペア:

[(1, 221423724), (2, 110711862), (3, 73807908), (4, 55355931), (6, 36903954), (9, 24602636), (12, 18451977), (18, 12301318), (36, 6150659), (71, 3118644), (142, 1559322), (213, 1039548), (284, 779661), (426, 519774), (639, 346516), (852, 259887), (1278, 173258), (2556, 86629)]