64181964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9923}}^1$

素因数の和:9955

約数の個数: 72

約数和(自身を含む): 190064448

約数和(自身を除く): 125882484

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 6468, 9923, 19846, 29769, 39692, 59538, 69461, 109153, 119076, 138922, 208383, 218306, 277844, 327459, 416766, 436612, 486227, 654918, 764071, 833532, 972454, 1309836, 1458681, 1528142, 1944908, 2292213, 2917362, 3056284, 4584426, 5348497, 5834724, 9168852, 10696994, 16045491, 21393988, 32090982, 64181964]

約数ペア:

[(1, 64181964), (2, 32090982), (3, 21393988), (4, 16045491), (6, 10696994), (7, 9168852), (11, 5834724), (12, 5348497), (14, 4584426), (21, 3056284), (22, 2917362), (28, 2292213), (33, 1944908), (42, 1528142), (44, 1458681), (49, 1309836), (66, 972454), (77, 833532), (84, 764071), (98, 654918), (132, 486227), (147, 436612), (154, 416766), (196, 327459), (231, 277844), (294, 218306), (308, 208383), (462, 138922), (539, 119076), (588, 109153), (924, 69461), (1078, 59538), (1617, 39692), (2156, 29769), (3234, 19846), (6468, 9923)]