279798272

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:489

約数の個数: 80

約数和(自身を含む): 608627712

約数和(自身を除く): 328829440

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 331, 416, 508, 512, 662, 832, 1016, 1324, 1651, 1664, 2032, 2648, 3302, 3328, 4064, 4303, 5296, 6604, 6656, 8128, 8606, 10592, 13208, 16256, 17212, 21184, 26416, 32512, 34424, 42037, 42368, 52832, 65024, 68848, 84074, 84736, 105664, 137696, 168148, 169472, 211328, 275392, 336296, 422656, 546481, 550784, 672592, 845312, 1092962, 1101568, 1345184, 2185924, 2203136, 2690368, 4371848, 5380736, 8743696, 10761472, 17487392, 21522944, 34974784, 69949568, 139899136, 279798272]

約数ペア:

[(1, 279798272), (2, 139899136), (4, 69949568), (8, 34974784), (13, 21522944), (16, 17487392), (26, 10761472), (32, 8743696), (52, 5380736), (64, 4371848), (104, 2690368), (127, 2203136), (128, 2185924), (208, 1345184), (254, 1101568), (256, 1092962), (331, 845312), (416, 672592), (508, 550784), (512, 546481), (662, 422656), (832, 336296), (1016, 275392), (1324, 211328), (1651, 169472), (1664, 168148), (2032, 137696), (2648, 105664), (3302, 84736), (3328, 84074), (4064, 68848), (4303, 65024), (5296, 52832), (6604, 42368), (6656, 42037), (8128, 34424), (8606, 32512), (10592, 26416), (13208, 21184), (16256, 17212)]