49688990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20117}}^1$

素因数の和:20156

約数の個数: 32

約数和(自身を含む): 101394720

約数和(自身を除く): 51705730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20117, 40234, 100585, 201170, 261521, 382223, 523042, 764446, 1307605, 1911115, 2615210, 3822230, 4968899, 9937798, 24844495, 49688990]

約数ペア:

[(1, 49688990), (2, 24844495), (5, 9937798), (10, 4968899), (13, 3822230), (19, 2615210), (26, 1911115), (38, 1307605), (65, 764446), (95, 523042), (130, 382223), (190, 261521), (247, 201170), (494, 100585), (1235, 40234), (2470, 20117)]