131302768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 283910400

約数和(自身を除く): 152607632

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 89, 92, 152, 178, 184, 211, 304, 356, 368, 422, 437, 712, 844, 874, 1424, 1688, 1691, 1748, 2047, 3376, 3382, 3496, 4009, 4094, 4853, 6764, 6992, 8018, 8188, 9706, 13528, 16036, 16376, 18779, 19412, 27056, 32072, 32752, 37558, 38824, 38893, 64144, 75116, 77648, 77786, 92207, 150232, 155572, 184414, 300464, 311144, 356801, 368828, 431917, 622288, 713602, 737656, 863834, 1427204, 1475312, 1727668, 2854408, 3455336, 5708816, 6910672, 8206423, 16412846, 32825692, 65651384, 131302768]

約数ペア:

[(1, 131302768), (2, 65651384), (4, 32825692), (8, 16412846), (16, 8206423), (19, 6910672), (23, 5708816), (38, 3455336), (46, 2854408), (76, 1727668), (89, 1475312), (92, 1427204), (152, 863834), (178, 737656), (184, 713602), (211, 622288), (304, 431917), (356, 368828), (368, 356801), (422, 311144), (437, 300464), (712, 184414), (844, 155572), (874, 150232), (1424, 92207), (1688, 77786), (1691, 77648), (1748, 75116), (2047, 64144), (3376, 38893), (3382, 38824), (3496, 37558), (4009, 32752), (4094, 32072), (4853, 27056), (6764, 19412), (6992, 18779), (8018, 16376), (8188, 16036), (9706, 13528)]