1320246728

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{617}}^1\times {\mathrm{7229}}^1$

素因数の和:7889

約数の個数: 32

約数和(自身を含む): 2546839800

約数和(自身を除く): 1226593072

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 617, 1234, 2468, 4936, 7229, 14458, 22829, 28916, 45658, 57832, 91316, 182632, 267473, 534946, 1069892, 2139784, 4460293, 8920586, 17841172, 35682344, 165030841, 330061682, 660123364, 1320246728]

約数ペア:

[(1, 1320246728), (2, 660123364), (4, 330061682), (8, 165030841), (37, 35682344), (74, 17841172), (148, 8920586), (296, 4460293), (617, 2139784), (1234, 1069892), (2468, 534946), (4936, 267473), (7229, 182632), (14458, 91316), (22829, 57832), (28916, 45658)]