28086550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 55924992

約数和(自身を除く): 27838442

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 173, 191, 346, 382, 425, 850, 865, 955, 1730, 1910, 2941, 3247, 4325, 4775, 5882, 6494, 8650, 9550, 14705, 16235, 29410, 32470, 33043, 66086, 73525, 81175, 147050, 162350, 165215, 330430, 561731, 826075, 1123462, 1652150, 2808655, 5617310, 14043275, 28086550]

約数ペア:

[(1, 28086550), (2, 14043275), (5, 5617310), (10, 2808655), (17, 1652150), (25, 1123462), (34, 826075), (50, 561731), (85, 330430), (170, 165215), (173, 162350), (191, 147050), (346, 81175), (382, 73525), (425, 66086), (850, 33043), (865, 32470), (955, 29410), (1730, 16235), (1910, 14705), (2941, 9550), (3247, 8650), (4325, 6494), (4775, 5882)]