28768454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 55121472

約数和(自身を除く): 26353018

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 61, 97, 122, 143, 187, 194, 221, 286, 374, 442, 671, 793, 1037, 1067, 1261, 1342, 1586, 1649, 2074, 2134, 2431, 2522, 3298, 4862, 5917, 8723, 11407, 11834, 13481, 13871, 17446, 18139, 21437, 22814, 26962, 27742, 36278, 42874, 65087, 76921, 100589, 130174, 148291, 153842, 201178, 235807, 296582, 471614, 846131, 1106479, 1307657, 1692262, 2212958, 2615314, 14384227, 28768454]

約数ペア:

[(1, 28768454), (2, 14384227), (11, 2615314), (13, 2212958), (17, 1692262), (22, 1307657), (26, 1106479), (34, 846131), (61, 471614), (97, 296582), (122, 235807), (143, 201178), (187, 153842), (194, 148291), (221, 130174), (286, 100589), (374, 76921), (442, 65087), (671, 42874), (793, 36278), (1037, 27742), (1067, 26962), (1261, 22814), (1342, 21437), (1586, 18139), (1649, 17446), (2074, 13871), (2134, 13481), (2431, 11834), (2522, 11407), (3298, 8723), (4862, 5917)]