1280491716

素因数分解:

$2^2\times 3^1\times 7^6\times {\mathrm{907}}^1$

素因数の和:956

約数の個数: 84

約数和(自身を含む): 3489621968

約数和(自身を除く): 2209130252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 907, 1029, 1372, 1814, 2058, 2401, 2721, 3628, 4116, 4802, 5442, 6349, 7203, 9604, 10884, 12698, 14406, 16807, 19047, 25396, 28812, 33614, 38094, 44443, 50421, 67228, 76188, 88886, 100842, 117649, 133329, 177772, 201684, 235298, 266658, 311101, 352947, 470596, 533316, 622202, 705894, 933303, 1244404, 1411788, 1866606, 2177707, 3733212, 4355414, 6533121, 8710828, 13066242, 15243949, 26132484, 30487898, 45731847, 60975796, 91463694, 106707643, 182927388, 213415286, 320122929, 426830572, 640245858, 1280491716]

約数ペア:

[(1, 1280491716), (2, 640245858), (3, 426830572), (4, 320122929), (6, 213415286), (7, 182927388), (12, 106707643), (14, 91463694), (21, 60975796), (28, 45731847), (42, 30487898), (49, 26132484), (84, 15243949), (98, 13066242), (147, 8710828), (196, 6533121), (294, 4355414), (343, 3733212), (588, 2177707), (686, 1866606), (907, 1411788), (1029, 1244404), (1372, 933303), (1814, 705894), (2058, 622202), (2401, 533316), (2721, 470596), (3628, 352947), (4116, 311101), (4802, 266658), (5442, 235298), (6349, 201684), (7203, 177772), (9604, 133329), (10884, 117649), (12698, 100842), (14406, 88886), (16807, 76188), (19047, 67228), (25396, 50421), (28812, 44443), (33614, 38094)]