81684554

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 143544960

約数和(自身を除く): 61860406

約数列:

[1, 2, 7, 14, 53, 106, 283, 371, 389, 566, 742, 778, 1981, 2723, 3962, 5446, 14999, 20617, 29998, 41234, 104993, 110087, 144319, 209986, 220174, 288638, 770609, 1541218, 5834611, 11669222, 40842277, 81684554]

約数ペア:

[(1, 81684554), (2, 40842277), (7, 11669222), (14, 5834611), (53, 1541218), (106, 770609), (283, 288638), (371, 220174), (389, 209986), (566, 144319), (742, 110087), (778, 104993), (1981, 41234), (2723, 29998), (3962, 20617), (5446, 14999)]