256868964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:682

約数の個数: 108

約数和(自身を含む): 721580860

約数和(自身を除く): 464711896

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 109, 121, 132, 198, 218, 242, 327, 363, 396, 436, 484, 541, 654, 726, 981, 1082, 1089, 1199, 1308, 1452, 1623, 1962, 2164, 2178, 2398, 3246, 3597, 3924, 4356, 4796, 4869, 5951, 6492, 7194, 9738, 10791, 11902, 13189, 14388, 17853, 19476, 21582, 23804, 26378, 35706, 39567, 43164, 52756, 53559, 58969, 65461, 71412, 79134, 107118, 117938, 118701, 130922, 158268, 176907, 196383, 214236, 235876, 237402, 261844, 353814, 392766, 474804, 530721, 589149, 648659, 707628, 785532, 1061442, 1178298, 1297318, 1945977, 2122884, 2356596, 2594636, 3891954, 5837931, 7135249, 7783908, 11675862, 14270498, 21405747, 23351724, 28540996, 42811494, 64217241, 85622988, 128434482, 256868964]

約数ペア:

[(1, 256868964), (2, 128434482), (3, 85622988), (4, 64217241), (6, 42811494), (9, 28540996), (11, 23351724), (12, 21405747), (18, 14270498), (22, 11675862), (33, 7783908), (36, 7135249), (44, 5837931), (66, 3891954), (99, 2594636), (109, 2356596), (121, 2122884), (132, 1945977), (198, 1297318), (218, 1178298), (242, 1061442), (327, 785532), (363, 707628), (396, 648659), (436, 589149), (484, 530721), (541, 474804), (654, 392766), (726, 353814), (981, 261844), (1082, 237402), (1089, 235876), (1199, 214236), (1308, 196383), (1452, 176907), (1623, 158268), (1962, 130922), (2164, 118701), (2178, 117938), (2398, 107118), (3246, 79134), (3597, 71412), (3924, 65461), (4356, 58969), (4796, 53559), (4869, 52756), (5951, 43164), (6492, 39567), (7194, 35706), (9738, 26378), (10791, 23804), (11902, 21582), (13189, 19476), (14388, 17853)]