2018765645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 2634508800

約数和(自身を除く): 615743155

約数列:

[1, 5, 13, 65, 263, 269, 439, 1315, 1345, 2195, 3419, 3497, 5707, 17095, 17485, 28535, 70747, 115457, 118091, 353735, 577285, 590455, 919711, 1500941, 1535183, 4598555, 7504705, 7675915, 31057933, 155289665, 403753129, 2018765645]

約数ペア:

[(1, 2018765645), (5, 403753129), (13, 155289665), (65, 31057933), (263, 7675915), (269, 7504705), (439, 4598555), (1315, 1535183), (1345, 1500941), (2195, 919711), (3419, 590455), (3497, 577285), (5707, 353735), (17095, 118091), (17485, 115457), (28535, 70747)]