281185970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{7643}}^1$

素因数の和:7946

約数の個数: 32

約数和(自身を含む): 547065792

約数和(自身を除く): 265879822

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 283, 566, 1415, 2830, 3679, 7358, 7643, 15286, 18395, 36790, 38215, 76430, 99359, 198718, 496795, 993590, 2162969, 4325938, 10814845, 21629690, 28118597, 56237194, 140592985, 281185970]

約数ペア:

[(1, 281185970), (2, 140592985), (5, 56237194), (10, 28118597), (13, 21629690), (26, 10814845), (65, 4325938), (130, 2162969), (283, 993590), (566, 496795), (1415, 198718), (2830, 99359), (3679, 76430), (7358, 38215), (7643, 36790), (15286, 18395)]