278998668

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{66239}}^1$

素因数の和:66268

約数の個数: 60

約数和(自身を含む): 785473920

約数和(自身を除く): 506475252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 66239, 132478, 198717, 264956, 397434, 596151, 794868, 861107, 1192302, 1722214, 1788453, 2384604, 2583321, 3444428, 3576906, 5166642, 5365359, 7153812, 7749963, 10333284, 10730718, 15499926, 21461436, 23249889, 30999852, 46499778, 69749667, 92999556, 139499334, 278998668]

約数ペア:

[(1, 278998668), (2, 139499334), (3, 92999556), (4, 69749667), (6, 46499778), (9, 30999852), (12, 23249889), (13, 21461436), (18, 15499926), (26, 10730718), (27, 10333284), (36, 7749963), (39, 7153812), (52, 5365359), (54, 5166642), (78, 3576906), (81, 3444428), (108, 2583321), (117, 2384604), (156, 1788453), (162, 1722214), (234, 1192302), (324, 861107), (351, 794868), (468, 596151), (702, 397434), (1053, 264956), (1404, 198717), (2106, 132478), (4212, 66239)]