128859328

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2625

約数の個数: 56

約数和(自身を含む): 279999440

約数和(自身を除く): 151140112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 416, 488, 793, 832, 976, 1586, 1952, 2539, 3172, 3904, 5078, 6344, 10156, 12688, 20312, 25376, 33007, 40624, 50752, 66014, 81248, 132028, 154879, 162496, 264056, 309758, 528112, 619516, 1056224, 1239032, 2013427, 2112448, 2478064, 4026854, 4956128, 8053708, 9912256, 16107416, 32214832, 64429664, 128859328]

約数ペア:

[(1, 128859328), (2, 64429664), (4, 32214832), (8, 16107416), (13, 9912256), (16, 8053708), (26, 4956128), (32, 4026854), (52, 2478064), (61, 2112448), (64, 2013427), (104, 1239032), (122, 1056224), (208, 619516), (244, 528112), (416, 309758), (488, 264056), (793, 162496), (832, 154879), (976, 132028), (1586, 81248), (1952, 66014), (2539, 50752), (3172, 40624), (3904, 33007), (5078, 25376), (6344, 20312), (10156, 12688)]