278340736

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 572556600

約数和(自身を除く): 294215864

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 89, 106, 128, 178, 212, 356, 424, 461, 712, 848, 922, 1424, 1696, 1844, 2848, 3392, 3688, 4717, 5696, 6784, 7376, 9434, 11392, 14752, 18868, 24433, 29504, 37736, 41029, 48866, 59008, 75472, 82058, 97732, 150944, 164116, 195464, 301888, 328232, 390928, 603776, 656464, 781856, 1312928, 1563712, 2174537, 2625856, 3127424, 4349074, 5251712, 8698148, 17396296, 34792592, 69585184, 139170368, 278340736]

約数ペア:

[(1, 278340736), (2, 139170368), (4, 69585184), (8, 34792592), (16, 17396296), (32, 8698148), (53, 5251712), (64, 4349074), (89, 3127424), (106, 2625856), (128, 2174537), (178, 1563712), (212, 1312928), (356, 781856), (424, 656464), (461, 603776), (712, 390928), (848, 328232), (922, 301888), (1424, 195464), (1696, 164116), (1844, 150944), (2848, 97732), (3392, 82058), (3688, 75472), (4717, 59008), (5696, 48866), (6784, 41029), (7376, 37736), (9434, 29504), (11392, 24433), (14752, 18868)]