1286647568

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1319}}^1\times {\mathrm{1487}}^1$

素因数の和:2855

約数の個数: 40

約数和(自身を含む): 2557336320

約数和(自身を除く): 1270688752

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1319, 1487, 2638, 2974, 5276, 5948, 10552, 11896, 21104, 23792, 54079, 60967, 108158, 121934, 216316, 243868, 432632, 487736, 865264, 975472, 1961353, 3922706, 7845412, 15690824, 31381648, 80415473, 160830946, 321661892, 643323784, 1286647568]

約数ペア:

[(1, 1286647568), (2, 643323784), (4, 321661892), (8, 160830946), (16, 80415473), (41, 31381648), (82, 15690824), (164, 7845412), (328, 3922706), (656, 1961353), (1319, 975472), (1487, 865264), (2638, 487736), (2974, 432632), (5276, 243868), (5948, 216316), (10552, 121934), (11896, 108158), (21104, 60967), (23792, 54079)]