637808704

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:688

約数の個数: 84

約数和(自身を含む): 1385628420

約数和(自身を除く): 747819716

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 169, 208, 218, 338, 416, 436, 541, 676, 832, 872, 1082, 1352, 1417, 1744, 2164, 2704, 2834, 3488, 4328, 5408, 5668, 6976, 7033, 8656, 10816, 11336, 14066, 17312, 18421, 22672, 28132, 34624, 36842, 45344, 56264, 58969, 73684, 90688, 91429, 112528, 117938, 147368, 182858, 225056, 235876, 294736, 365716, 450112, 471752, 589472, 731432, 766597, 943504, 1178944, 1462864, 1533194, 1887008, 2925728, 3066388, 3774016, 5851456, 6132776, 9965761, 12265552, 19931522, 24531104, 39863044, 49062208, 79726088, 159452176, 318904352, 637808704]

約数ペア:

[(1, 637808704), (2, 318904352), (4, 159452176), (8, 79726088), (13, 49062208), (16, 39863044), (26, 24531104), (32, 19931522), (52, 12265552), (64, 9965761), (104, 6132776), (109, 5851456), (169, 3774016), (208, 3066388), (218, 2925728), (338, 1887008), (416, 1533194), (436, 1462864), (541, 1178944), (676, 943504), (832, 766597), (872, 731432), (1082, 589472), (1352, 471752), (1417, 450112), (1744, 365716), (2164, 294736), (2704, 235876), (2834, 225056), (3488, 182858), (4328, 147368), (5408, 117938), (5668, 112528), (6976, 91429), (7033, 90688), (8656, 73684), (10816, 58969), (11336, 56264), (14066, 45344), (17312, 36842), (18421, 34624), (22672, 28132)]