77119390

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 142417440

約数和(自身を除く): 65298050

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 445, 730, 890, 1187, 2374, 5935, 6497, 11870, 12994, 32485, 64970, 86651, 105643, 173302, 211286, 433255, 528215, 866510, 1056430, 7711939, 15423878, 38559695, 77119390]

約数ペア:

[(1, 77119390), (2, 38559695), (5, 15423878), (10, 7711939), (73, 1056430), (89, 866510), (146, 528215), (178, 433255), (365, 211286), (445, 173302), (730, 105643), (890, 86651), (1187, 64970), (2374, 32485), (5935, 12994), (6497, 11870)]