313639865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 488248320

約数和(自身を除く): 174608455

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 217, 341, 385, 605, 847, 1085, 1705, 2387, 2389, 3751, 4235, 11935, 11945, 16723, 18755, 26257, 26279, 74059, 83615, 131285, 131395, 183953, 289069, 370295, 518413, 814649, 919765, 1445345, 2023483, 2592065, 4073245, 5702543, 8961139, 10117415, 28512715, 44805695, 62727973, 313639865]

約数ペア:

[(1, 313639865), (5, 62727973), (7, 44805695), (11, 28512715), (31, 10117415), (35, 8961139), (55, 5702543), (77, 4073245), (121, 2592065), (155, 2023483), (217, 1445345), (341, 919765), (385, 814649), (605, 518413), (847, 370295), (1085, 289069), (1705, 183953), (2387, 131395), (2389, 131285), (3751, 83615), (4235, 74059), (11935, 26279), (11945, 26257), (16723, 18755)]