81428718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1523}}^1$

素因数の和:1621

約数の個数: 64

約数和(自身を含む): 198973440

約数和(自身を除く): 117544722

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 67, 114, 133, 134, 201, 266, 399, 402, 469, 798, 938, 1273, 1407, 1523, 2546, 2814, 3046, 3819, 4569, 7638, 8911, 9138, 10661, 17822, 21322, 26733, 28937, 31983, 53466, 57874, 63966, 86811, 102041, 173622, 202559, 204082, 306123, 405118, 607677, 612246, 714287, 1215354, 1428574, 1938779, 2142861, 3877558, 4285722, 5816337, 11632674, 13571453, 27142906, 40714359, 81428718]

約数ペア:

[(1, 81428718), (2, 40714359), (3, 27142906), (6, 13571453), (7, 11632674), (14, 5816337), (19, 4285722), (21, 3877558), (38, 2142861), (42, 1938779), (57, 1428574), (67, 1215354), (114, 714287), (133, 612246), (134, 607677), (201, 405118), (266, 306123), (399, 204082), (402, 202559), (469, 173622), (798, 102041), (938, 86811), (1273, 63966), (1407, 57874), (1523, 53466), (2546, 31983), (2814, 28937), (3046, 26733), (3819, 21322), (4569, 17822), (7638, 10661), (8911, 9138)]