42165655

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 61401600

約数和(自身を除く): 19235945

約数列:

[1, 5, 7, 19, 35, 95, 133, 163, 389, 665, 815, 1141, 1945, 2723, 3097, 5705, 7391, 13615, 15485, 21679, 36955, 51737, 63407, 108395, 258685, 317035, 443849, 1204733, 2219245, 6023665, 8433131, 42165655]

約数ペア:

[(1, 42165655), (5, 8433131), (7, 6023665), (19, 2219245), (35, 1204733), (95, 443849), (133, 317035), (163, 258685), (389, 108395), (665, 63407), (815, 51737), (1141, 36955), (1945, 21679), (2723, 15485), (3097, 13615), (5705, 7391)]