28553538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6907}}^1$

素因数の和:6978

約数の個数: 32

約数和(自身を含む): 62669376

約数和(自身を除く): 34115838

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 6907, 13814, 20721, 41442, 89791, 179582, 269373, 366071, 538746, 732142, 1098213, 2196426, 4758923, 9517846, 14276769, 28553538]

約数ペア:

[(1, 28553538), (2, 14276769), (3, 9517846), (6, 4758923), (13, 2196426), (26, 1098213), (39, 732142), (53, 538746), (78, 366071), (106, 269373), (159, 179582), (318, 89791), (689, 41442), (1378, 20721), (2067, 13814), (4134, 6907)]