128207716

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 285645696

約数和(自身を除く): 157437980

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 67, 91, 98, 134, 182, 196, 268, 364, 469, 637, 751, 871, 938, 1274, 1502, 1742, 1876, 2548, 3004, 3283, 3484, 5257, 6097, 6566, 9763, 10514, 12194, 13132, 19526, 21028, 24388, 36799, 39052, 42679, 50317, 68341, 73598, 85358, 100634, 136682, 147196, 170716, 201268, 273364, 352219, 478387, 654121, 704438, 956774, 1308242, 1408876, 1913548, 2465533, 2616484, 4578847, 4931066, 9157694, 9862132, 18315388, 32051929, 64103858, 128207716]

約数ペア:

[(1, 128207716), (2, 64103858), (4, 32051929), (7, 18315388), (13, 9862132), (14, 9157694), (26, 4931066), (28, 4578847), (49, 2616484), (52, 2465533), (67, 1913548), (91, 1408876), (98, 1308242), (134, 956774), (182, 704438), (196, 654121), (268, 478387), (364, 352219), (469, 273364), (637, 201268), (751, 170716), (871, 147196), (938, 136682), (1274, 100634), (1502, 85358), (1742, 73598), (1876, 68341), (2548, 50317), (3004, 42679), (3283, 39052), (3484, 36799), (5257, 24388), (6097, 21028), (6566, 19526), (9763, 13132), (10514, 12194)]