1288690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 2612736

約数和(自身を除く): 1324046

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 431, 598, 862, 1495, 2155, 2990, 4310, 5603, 9913, 11206, 19826, 28015, 49565, 56030, 99130, 128869, 257738, 644345, 1288690]

約数ペア:

[(1, 1288690), (2, 644345), (5, 257738), (10, 128869), (13, 99130), (23, 56030), (26, 49565), (46, 28015), (65, 19826), (115, 11206), (130, 9913), (230, 5603), (299, 4310), (431, 2990), (598, 2155), (862, 1495)]