388639005

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{19009}}^1$

素因数の和:19093

約数の個数: 32

約数和(自身を含む): 656985600

約数和(自身を除く): 268346595

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 1363, 4089, 6815, 19009, 20445, 57027, 95045, 285135, 551261, 893423, 1653783, 2680269, 2756305, 4467115, 8268915, 13401345, 25909267, 77727801, 129546335, 388639005]

約数ペア:

[(1, 388639005), (3, 129546335), (5, 77727801), (15, 25909267), (29, 13401345), (47, 8268915), (87, 4467115), (141, 2756305), (145, 2680269), (235, 1653783), (435, 893423), (705, 551261), (1363, 285135), (4089, 95045), (6815, 57027), (19009, 20445)]