145880917

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 190668800

約数和(自身を除く): 44787883

約数列:

[1, 7, 13, 19, 91, 133, 139, 247, 607, 973, 1729, 1807, 2641, 4249, 7891, 11533, 12649, 18487, 34333, 55237, 80731, 84373, 149929, 240331, 590611, 1049503, 1096849, 1603087, 7677943, 11221609, 20840131, 145880917]

約数ペア:

[(1, 145880917), (7, 20840131), (13, 11221609), (19, 7677943), (91, 1603087), (133, 1096849), (139, 1049503), (247, 590611), (607, 240331), (973, 149929), (1729, 84373), (1807, 80731), (2641, 55237), (4249, 34333), (7891, 18487), (11533, 12649)]