66212872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^2$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 143283600

約数和(自身を除く): 77070728

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 199, 209, 398, 418, 796, 836, 1592, 1672, 2189, 3781, 4378, 7562, 8756, 15124, 17512, 30248, 39601, 41591, 79202, 83182, 158404, 166364, 316808, 332728, 435611, 752419, 871222, 1504838, 1742444, 3009676, 3484888, 6019352, 8276609, 16553218, 33106436, 66212872]

約数ペア:

[(1, 66212872), (2, 33106436), (4, 16553218), (8, 8276609), (11, 6019352), (19, 3484888), (22, 3009676), (38, 1742444), (44, 1504838), (76, 871222), (88, 752419), (152, 435611), (199, 332728), (209, 316808), (398, 166364), (418, 158404), (796, 83182), (836, 79202), (1592, 41591), (1672, 39601), (2189, 30248), (3781, 17512), (4378, 15124), (7562, 8756)]