71806844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 137168640

約数和(自身を除く): 65361796

約数列:

[1, 2, 4, 17, 34, 68, 71, 107, 139, 142, 214, 278, 284, 428, 556, 1207, 1819, 2363, 2414, 3638, 4726, 4828, 7276, 7597, 9452, 9869, 14873, 15194, 19738, 29746, 30388, 39476, 59492, 129149, 167773, 252841, 258298, 335546, 505682, 516596, 671092, 1011364, 1055983, 2111966, 4223932, 17951711, 35903422, 71806844]

約数ペア:

[(1, 71806844), (2, 35903422), (4, 17951711), (17, 4223932), (34, 2111966), (68, 1055983), (71, 1011364), (107, 671092), (139, 516596), (142, 505682), (214, 335546), (278, 258298), (284, 252841), (428, 167773), (556, 129149), (1207, 59492), (1819, 39476), (2363, 30388), (2414, 29746), (3638, 19738), (4726, 15194), (4828, 14873), (7276, 9869), (7597, 9452)]