1280490714

素因数分解:

$2^1\times 3^3\times {\mathrm{971}}^1\times {\mathrm{24421}}^1$

素因数の和:25403

約数の個数: 32

約数和(自身を含む): 2848582080

約数和(自身を除く): 1568091366

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 971, 1942, 2913, 5826, 8739, 17478, 24421, 26217, 48842, 52434, 73263, 146526, 219789, 439578, 659367, 1318734, 23712791, 47425582, 71138373, 142276746, 213415119, 426830238, 640245357, 1280490714]

約数ペア:

[(1, 1280490714), (2, 640245357), (3, 426830238), (6, 213415119), (9, 142276746), (18, 71138373), (27, 47425582), (54, 23712791), (971, 1318734), (1942, 659367), (2913, 439578), (5826, 219789), (8739, 146526), (17478, 73263), (24421, 52434), (26217, 48842)]