28105272

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{10009}}^1$

素因数の和:10037

約数の個数: 64

約数和(自身を含む): 84084000

約数和(自身を除く): 55978728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 10009, 20018, 30027, 40036, 60054, 80072, 90081, 120108, 130117, 180162, 240216, 260234, 270243, 360324, 390351, 520468, 540486, 720648, 780702, 1040936, 1080972, 1171053, 1561404, 2161944, 2342106, 3122808, 3513159, 4684212, 7026318, 9368424, 14052636, 28105272]

約数ペア:

[(1, 28105272), (2, 14052636), (3, 9368424), (4, 7026318), (6, 4684212), (8, 3513159), (9, 3122808), (12, 2342106), (13, 2161944), (18, 1561404), (24, 1171053), (26, 1080972), (27, 1040936), (36, 780702), (39, 720648), (52, 540486), (54, 520468), (72, 390351), (78, 360324), (104, 270243), (108, 260234), (117, 240216), (156, 180162), (216, 130117), (234, 120108), (312, 90081), (351, 80072), (468, 60054), (702, 40036), (936, 30027), (1404, 20018), (2808, 10009)]