81489822

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 178606080

約数和(自身を除く): 97116258

約数列:

[1, 2, 3, 6, 19, 38, 47, 57, 67, 94, 114, 134, 141, 201, 227, 282, 402, 454, 681, 893, 1273, 1362, 1786, 2546, 2679, 3149, 3819, 4313, 5358, 6298, 7638, 8626, 9447, 10669, 12939, 15209, 18894, 21338, 25878, 30418, 32007, 45627, 59831, 64014, 91254, 119662, 179493, 202711, 288971, 358986, 405422, 577942, 608133, 714823, 866913, 1216266, 1429646, 1733826, 2144469, 4288938, 13581637, 27163274, 40744911, 81489822]

約数ペア:

[(1, 81489822), (2, 40744911), (3, 27163274), (6, 13581637), (19, 4288938), (38, 2144469), (47, 1733826), (57, 1429646), (67, 1216266), (94, 866913), (114, 714823), (134, 608133), (141, 577942), (201, 405422), (227, 358986), (282, 288971), (402, 202711), (454, 179493), (681, 119662), (893, 91254), (1273, 64014), (1362, 59831), (1786, 45627), (2546, 32007), (2679, 30418), (3149, 25878), (3819, 21338), (4313, 18894), (5358, 15209), (6298, 12939), (7638, 10669), (8626, 9447)]