1287972301

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 1682804160

約数和(自身を除く): 394831859

約数列:

[1, 7, 11, 49, 59, 77, 101, 401, 413, 539, 649, 707, 1111, 2807, 2891, 4411, 4543, 4949, 5959, 7777, 19649, 23659, 30877, 31801, 40501, 41713, 54439, 65549, 165613, 216139, 260249, 283507, 291991, 445511, 458843, 1159291, 1821743, 1984549, 2389559, 3118577, 3211901, 12752201, 16726913, 21830039, 26285149, 117088391, 183996043, 1287972301]

約数ペア:

[(1, 1287972301), (7, 183996043), (11, 117088391), (49, 26285149), (59, 21830039), (77, 16726913), (101, 12752201), (401, 3211901), (413, 3118577), (539, 2389559), (649, 1984549), (707, 1821743), (1111, 1159291), (2807, 458843), (2891, 445511), (4411, 291991), (4543, 283507), (4949, 260249), (5959, 216139), (7777, 165613), (19649, 65549), (23659, 54439), (30877, 41713), (31801, 40501)]