256445144

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 518918400

約数和(自身を除く): 262473256

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 116, 124, 181, 197, 232, 248, 362, 394, 724, 788, 899, 1448, 1576, 1798, 3596, 5249, 5611, 5713, 6107, 7192, 10498, 11222, 11426, 12214, 20996, 22444, 22852, 24428, 35657, 41992, 44888, 45704, 48856, 71314, 142628, 162719, 177103, 285256, 325438, 354206, 650876, 708412, 1034053, 1105367, 1301752, 1416824, 2068106, 2210734, 4136212, 4421468, 8272424, 8842936, 32055643, 64111286, 128222572, 256445144]

約数ペア:

[(1, 256445144), (2, 128222572), (4, 64111286), (8, 32055643), (29, 8842936), (31, 8272424), (58, 4421468), (62, 4136212), (116, 2210734), (124, 2068106), (181, 1416824), (197, 1301752), (232, 1105367), (248, 1034053), (362, 708412), (394, 650876), (724, 354206), (788, 325438), (899, 285256), (1448, 177103), (1576, 162719), (1798, 142628), (3596, 71314), (5249, 48856), (5611, 45704), (5713, 44888), (6107, 41992), (7192, 35657), (10498, 24428), (11222, 22852), (11426, 22444), (12214, 20996)]