255881724

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^2\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 108

約数和(自身を含む): 713230056

約数和(自身を除く): 457348332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 197, 282, 294, 329, 394, 564, 588, 591, 658, 788, 987, 1182, 1316, 1379, 1974, 2209, 2303, 2364, 2758, 3948, 4137, 4418, 4606, 5516, 6627, 6909, 8274, 8836, 9212, 9259, 9653, 13254, 13818, 15463, 16548, 18518, 19306, 26508, 27636, 27777, 28959, 30926, 37036, 38612, 46389, 55554, 57918, 61852, 64813, 92778, 108241, 111108, 115836, 129626, 185556, 194439, 216482, 259252, 324723, 388878, 432964, 435173, 453691, 649446, 777756, 870346, 907382, 1298892, 1305519, 1361073, 1740692, 1814764, 2611038, 2722146, 3046211, 5222076, 5444292, 6092422, 9138633, 12184844, 18277266, 21323477, 36554532, 42646954, 63970431, 85293908, 127940862, 255881724]

約数ペア:

[(1, 255881724), (2, 127940862), (3, 85293908), (4, 63970431), (6, 42646954), (7, 36554532), (12, 21323477), (14, 18277266), (21, 12184844), (28, 9138633), (42, 6092422), (47, 5444292), (49, 5222076), (84, 3046211), (94, 2722146), (98, 2611038), (141, 1814764), (147, 1740692), (188, 1361073), (196, 1305519), (197, 1298892), (282, 907382), (294, 870346), (329, 777756), (394, 649446), (564, 453691), (588, 435173), (591, 432964), (658, 388878), (788, 324723), (987, 259252), (1182, 216482), (1316, 194439), (1379, 185556), (1974, 129626), (2209, 115836), (2303, 111108), (2364, 108241), (2758, 92778), (3948, 64813), (4137, 61852), (4418, 57918), (4606, 55554), (5516, 46389), (6627, 38612), (6909, 37036), (8274, 30926), (8836, 28959), (9212, 27777), (9259, 27636), (9653, 26508), (13254, 19306), (13818, 18518), (15463, 16548)]