71640906

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 88026294

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 89, 114, 138, 178, 267, 307, 437, 534, 614, 874, 921, 1311, 1691, 1842, 2047, 2622, 3382, 4094, 5073, 5833, 6141, 7061, 10146, 11666, 12282, 14122, 17499, 21183, 27323, 34998, 38893, 42366, 54646, 77786, 81969, 116679, 134159, 163938, 233358, 268318, 402477, 519137, 628429, 804954, 1038274, 1256858, 1557411, 1885287, 3114822, 3770574, 11940151, 23880302, 35820453, 71640906]

約数ペア:

[(1, 71640906), (2, 35820453), (3, 23880302), (6, 11940151), (19, 3770574), (23, 3114822), (38, 1885287), (46, 1557411), (57, 1256858), (69, 1038274), (89, 804954), (114, 628429), (138, 519137), (178, 402477), (267, 268318), (307, 233358), (437, 163938), (534, 134159), (614, 116679), (874, 81969), (921, 77786), (1311, 54646), (1691, 42366), (1842, 38893), (2047, 34998), (2622, 27323), (3382, 21183), (4094, 17499), (5073, 14122), (5833, 12282), (6141, 11666), (7061, 10146)]