28325248

素因数分解:

$2^7\times 7^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 65337120

約数和(自身を除く): 37011872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 128, 202, 224, 313, 404, 448, 626, 707, 808, 896, 1252, 1414, 1616, 2191, 2504, 2828, 3232, 4382, 5008, 5656, 6464, 8764, 10016, 11312, 12928, 17528, 20032, 22624, 31613, 35056, 40064, 45248, 63226, 70112, 90496, 126452, 140224, 221291, 252904, 280448, 442582, 505808, 885164, 1011616, 1770328, 2023232, 3540656, 4046464, 7081312, 14162624, 28325248]

約数ペア:

[(1, 28325248), (2, 14162624), (4, 7081312), (7, 4046464), (8, 3540656), (14, 2023232), (16, 1770328), (28, 1011616), (32, 885164), (56, 505808), (64, 442582), (101, 280448), (112, 252904), (128, 221291), (202, 140224), (224, 126452), (313, 90496), (404, 70112), (448, 63226), (626, 45248), (707, 40064), (808, 35056), (896, 31613), (1252, 22624), (1414, 20032), (1616, 17528), (2191, 12928), (2504, 11312), (2828, 10016), (3232, 8764), (4382, 6464), (5008, 5656)]