28784860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110711}}^1$

素因数の和:110733

約数の個数: 24

約数和(自身を含む): 65098656

約数和(自身を除く): 36313796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110711, 221422, 442844, 553555, 1107110, 1439243, 2214220, 2878486, 5756972, 7196215, 14392430, 28784860]

約数ペア:

[(1, 28784860), (2, 14392430), (4, 7196215), (5, 5756972), (10, 2878486), (13, 2214220), (20, 1439243), (26, 1107110), (52, 553555), (65, 442844), (130, 221422), (260, 110711)]