90781943

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{503}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 25339657

約数列:

[1, 7, 19, 23, 59, 133, 161, 413, 437, 503, 1121, 1357, 3059, 3521, 7847, 9499, 9557, 11569, 25783, 29677, 66899, 80983, 180481, 207739, 219811, 563863, 682571, 1538677, 3947041, 4777997, 12968849, 90781943]

約数ペア:

[(1, 90781943), (7, 12968849), (19, 4777997), (23, 3947041), (59, 1538677), (133, 682571), (161, 563863), (413, 219811), (437, 207739), (503, 180481), (1121, 80983), (1357, 66899), (3059, 29677), (3521, 25783), (7847, 11569), (9499, 9557)]