78728104

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2207}}^1$

素因数の和:2247

約数の個数: 64

約数和(自身を含む): 185472000

約数和(自身を除く): 106743896

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 637, 686, 728, 1274, 1372, 2207, 2548, 2744, 4414, 4459, 5096, 8828, 8918, 15449, 17656, 17836, 28691, 30898, 35672, 57382, 61796, 108143, 114764, 123592, 200837, 216286, 229528, 401674, 432572, 757001, 803348, 865144, 1405859, 1514002, 1606696, 2811718, 3028004, 5623436, 6056008, 9841013, 11246872, 19682026, 39364052, 78728104]

約数ペア:

[(1, 78728104), (2, 39364052), (4, 19682026), (7, 11246872), (8, 9841013), (13, 6056008), (14, 5623436), (26, 3028004), (28, 2811718), (49, 1606696), (52, 1514002), (56, 1405859), (91, 865144), (98, 803348), (104, 757001), (182, 432572), (196, 401674), (343, 229528), (364, 216286), (392, 200837), (637, 123592), (686, 114764), (728, 108143), (1274, 61796), (1372, 57382), (2207, 35672), (2548, 30898), (2744, 28691), (4414, 17836), (4459, 17656), (5096, 15449), (8828, 8918)]