90791818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 150232320

約数和(自身を除く): 59440502

約数列:

[1, 2, 13, 26, 71, 137, 142, 274, 359, 718, 923, 1781, 1846, 3562, 4667, 9334, 9727, 19454, 25489, 49183, 50978, 98366, 126451, 252902, 331357, 639379, 662714, 1278758, 3491993, 6983986, 45395909, 90791818]

約数ペア:

[(1, 90791818), (2, 45395909), (13, 6983986), (26, 3491993), (71, 1278758), (137, 662714), (142, 639379), (274, 331357), (359, 252902), (718, 126451), (923, 98366), (1781, 50978), (1846, 49183), (3562, 25489), (4667, 19454), (9334, 9727)]