128528312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{76871}}^1$

素因数の和:76907

約数の個数: 32

約数和(自身を含む): 276739200

約数和(自身を除く): 148210888

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 76871, 153742, 307484, 614968, 845581, 1460549, 1691162, 2921098, 3382324, 5842196, 6764648, 11684392, 16066039, 32132078, 64264156, 128528312]

約数ペア:

[(1, 128528312), (2, 64264156), (4, 32132078), (8, 16066039), (11, 11684392), (19, 6764648), (22, 5842196), (38, 3382324), (44, 2921098), (76, 1691162), (88, 1460549), (152, 845581), (209, 614968), (418, 307484), (836, 153742), (1672, 76871)]