128499245

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 180821760

約数和(自身を除く): 52322515

約数列:

[1, 5, 7, 35, 61, 139, 305, 427, 433, 695, 973, 2135, 2165, 3031, 4865, 8479, 15155, 26413, 42395, 59353, 60187, 132065, 184891, 296765, 300935, 421309, 924455, 2106545, 3671407, 18357035, 25699849, 128499245]

約数ペア:

[(1, 128499245), (5, 25699849), (7, 18357035), (35, 3671407), (61, 2106545), (139, 924455), (305, 421309), (427, 300935), (433, 296765), (695, 184891), (973, 132065), (2135, 60187), (2165, 59353), (3031, 42395), (4865, 26413), (8479, 15155)]