1288507688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{12389497}}^1$

素因数の和:12389516

約数の個数: 16

約数和(自身を含む): 2601794580

約数和(自身を除く): 1313286892

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 12389497, 24778994, 49557988, 99115976, 161063461, 322126922, 644253844, 1288507688]

約数ペア:

[(1, 1288507688), (2, 644253844), (4, 322126922), (8, 161063461), (13, 99115976), (26, 49557988), (52, 24778994), (104, 12389497)]