1556006972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{1399}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 2984923200

約数和(自身を除く): 1428916228

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 293, 586, 949, 1172, 1399, 1898, 2798, 3796, 3809, 5596, 7618, 15236, 18187, 21389, 36374, 42778, 72748, 85556, 102127, 204254, 278057, 408508, 409907, 556114, 819814, 1112228, 1327651, 1639628, 2655302, 5310604, 5328791, 10657582, 21315164, 29923211, 59846422, 119692844, 389001743, 778003486, 1556006972]

約数ペア:

[(1, 1556006972), (2, 778003486), (4, 389001743), (13, 119692844), (26, 59846422), (52, 29923211), (73, 21315164), (146, 10657582), (292, 5328791), (293, 5310604), (586, 2655302), (949, 1639628), (1172, 1327651), (1399, 1112228), (1898, 819814), (2798, 556114), (3796, 409907), (3809, 408508), (5596, 278057), (7618, 204254), (15236, 102127), (18187, 85556), (21389, 72748), (36374, 42778)]