87739990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{1123}}^1$

素因数の和:1744

約数の個数: 32

約数和(自身を含む): 170515296

約数和(自身を除く): 82775306

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 601, 1123, 1202, 2246, 3005, 5615, 6010, 7813, 11230, 14599, 15626, 29198, 39065, 72995, 78130, 145990, 674923, 1349846, 3374615, 6749230, 8773999, 17547998, 43869995, 87739990]

約数ペア:

[(1, 87739990), (2, 43869995), (5, 17547998), (10, 8773999), (13, 6749230), (26, 3374615), (65, 1349846), (130, 674923), (601, 145990), (1123, 78130), (1202, 72995), (2246, 39065), (3005, 29198), (5615, 15626), (6010, 14599), (7813, 11230)]