78840970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{2143}}^1$

素因数の和:2446

約数の個数: 32

約数和(自身を含む): 153441792

約数和(自身を除く): 74600822

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 283, 566, 1415, 2143, 2830, 3679, 4286, 7358, 10715, 18395, 21430, 27859, 36790, 55718, 139295, 278590, 606469, 1212938, 3032345, 6064690, 7884097, 15768194, 39420485, 78840970]

約数ペア:

[(1, 78840970), (2, 39420485), (5, 15768194), (10, 7884097), (13, 6064690), (26, 3032345), (65, 1212938), (130, 606469), (283, 278590), (566, 139295), (1415, 55718), (2143, 36790), (2830, 27859), (3679, 21430), (4286, 18395), (7358, 10715)]