218139172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 420723072

約数和(自身を除く): 202583900

約数列:

[1, 2, 4, 17, 34, 43, 61, 68, 86, 122, 172, 244, 731, 1037, 1223, 1462, 2074, 2446, 2623, 2924, 4148, 4892, 5246, 10492, 20791, 41582, 44591, 52589, 74603, 83164, 89182, 105178, 149206, 178364, 210356, 298412, 894013, 1268251, 1788026, 2536502, 3207929, 3576052, 5073004, 6415858, 12831716, 54534793, 109069586, 218139172]

約数ペア:

[(1, 218139172), (2, 109069586), (4, 54534793), (17, 12831716), (34, 6415858), (43, 5073004), (61, 3576052), (68, 3207929), (86, 2536502), (122, 1788026), (172, 1268251), (244, 894013), (731, 298412), (1037, 210356), (1223, 178364), (1462, 149206), (2074, 105178), (2446, 89182), (2623, 83164), (2924, 74603), (4148, 52589), (4892, 44591), (5246, 41582), (10492, 20791)]