142775215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{431}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 197821440

約数和(自身を除く): 55046225

約数列:

[1, 5, 11, 19, 55, 95, 209, 317, 431, 1045, 1585, 2155, 3487, 4741, 6023, 8189, 17435, 23705, 30115, 40945, 66253, 90079, 136627, 331265, 450395, 683135, 1502897, 2595913, 7514485, 12979565, 28555043, 142775215]

約数ペア:

[(1, 142775215), (5, 28555043), (11, 12979565), (19, 7514485), (55, 2595913), (95, 1502897), (209, 683135), (317, 450395), (431, 331265), (1045, 136627), (1585, 90079), (2155, 66253), (3487, 40945), (4741, 30115), (6023, 23705), (8189, 17435)]