781817790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2004661}}^1$

素因数の和:2004684

約数の個数: 32

約数和(自身を含む): 2020699296

約数和(自身を除く): 1238881506

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 2004661, 4009322, 6013983, 10023305, 12027966, 20046610, 26060593, 30069915, 52121186, 60139830, 78181779, 130302965, 156363558, 260605930, 390908895, 781817790]

約数ペア:

[(1, 781817790), (2, 390908895), (3, 260605930), (5, 156363558), (6, 130302965), (10, 78181779), (13, 60139830), (15, 52121186), (26, 30069915), (30, 26060593), (39, 20046610), (65, 12027966), (78, 10023305), (130, 6013983), (195, 4009322), (390, 2004661)]