28655148

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^3$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 71285760

約数和(自身を除く): 42630612

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 2162, 2209, 3243, 4324, 4418, 6486, 6627, 8836, 12972, 13254, 26508, 50807, 101614, 103823, 152421, 203228, 207646, 304842, 311469, 415292, 609684, 622938, 1245876, 2387929, 4775858, 7163787, 9551716, 14327574, 28655148]

約数ペア:

[(1, 28655148), (2, 14327574), (3, 9551716), (4, 7163787), (6, 4775858), (12, 2387929), (23, 1245876), (46, 622938), (47, 609684), (69, 415292), (92, 311469), (94, 304842), (138, 207646), (141, 203228), (188, 152421), (276, 103823), (282, 101614), (564, 50807), (1081, 26508), (2162, 13254), (2209, 12972), (3243, 8836), (4324, 6627), (4418, 6486)]