128765728

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6317}}^1$

素因数の和:6354

約数の個数: 72

約数和(自身を含む): 317631132

約数和(自身を除く): 188865404

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 6317, 10192, 12634, 20384, 25268, 44219, 50536, 82121, 88438, 101072, 164242, 176876, 202144, 309533, 328484, 353752, 574847, 619066, 656968, 707504, 1149694, 1238132, 1313936, 1415008, 2299388, 2476264, 2627872, 4023929, 4598776, 4952528, 8047858, 9197552, 9905056, 16095716, 18395104, 32191432, 64382864, 128765728]

約数ペア:

[(1, 128765728), (2, 64382864), (4, 32191432), (7, 18395104), (8, 16095716), (13, 9905056), (14, 9197552), (16, 8047858), (26, 4952528), (28, 4598776), (32, 4023929), (49, 2627872), (52, 2476264), (56, 2299388), (91, 1415008), (98, 1313936), (104, 1238132), (112, 1149694), (182, 707504), (196, 656968), (208, 619066), (224, 574847), (364, 353752), (392, 328484), (416, 309533), (637, 202144), (728, 176876), (784, 164242), (1274, 101072), (1456, 88438), (1568, 82121), (2548, 50536), (2912, 44219), (5096, 25268), (6317, 20384), (10192, 12634)]