256216268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22483}}^1$

素因数の和:22542

約数の個数: 48

約数和(自身を含む): 574151424

約数和(自身を除く): 317935156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 2849, 5698, 11396, 22483, 44966, 89932, 157381, 247313, 314762, 494626, 629524, 831871, 989252, 1663742, 1731191, 3327484, 3462382, 5823097, 6924764, 9150581, 11646194, 18301162, 23292388, 36602324, 64054067, 128108134, 256216268]

約数ペア:

[(1, 256216268), (2, 128108134), (4, 64054067), (7, 36602324), (11, 23292388), (14, 18301162), (22, 11646194), (28, 9150581), (37, 6924764), (44, 5823097), (74, 3462382), (77, 3327484), (148, 1731191), (154, 1663742), (259, 989252), (308, 831871), (407, 629524), (518, 494626), (814, 314762), (1036, 247313), (1628, 157381), (2849, 89932), (5698, 44966), (11396, 22483)]