331350614

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 621181440

約数和(自身を除く): 289830826

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 131, 133, 257, 259, 262, 266, 514, 518, 703, 917, 1406, 1799, 1834, 2489, 3598, 4847, 4883, 4921, 4978, 9509, 9694, 9766, 9842, 17423, 19018, 33667, 33929, 34181, 34846, 66563, 67334, 67858, 68362, 92093, 133126, 180671, 184186, 235669, 361342, 471338, 639673, 644651, 1245679, 1264697, 1279346, 1289302, 2491358, 2529394, 4477711, 8719753, 8955422, 17439506, 23667901, 47335802, 165675307, 331350614]

約数ペア:

[(1, 331350614), (2, 165675307), (7, 47335802), (14, 23667901), (19, 17439506), (37, 8955422), (38, 8719753), (74, 4477711), (131, 2529394), (133, 2491358), (257, 1289302), (259, 1279346), (262, 1264697), (266, 1245679), (514, 644651), (518, 639673), (703, 471338), (917, 361342), (1406, 235669), (1799, 184186), (1834, 180671), (2489, 133126), (3598, 92093), (4847, 68362), (4883, 67858), (4921, 67334), (4978, 66563), (9509, 34846), (9694, 34181), (9766, 33929), (9842, 33667), (17423, 19018)]