81520642

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{373}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 142826112

約数和(自身を除く): 61305470

約数列:

[1, 2, 7, 14, 67, 134, 233, 373, 466, 469, 746, 938, 1631, 2611, 3262, 5222, 15611, 24991, 31222, 49982, 86909, 109277, 173818, 174937, 218554, 349874, 608363, 1216726, 5822903, 11645806, 40760321, 81520642]

約数ペア:

[(1, 81520642), (2, 40760321), (7, 11645806), (14, 5822903), (67, 1216726), (134, 608363), (233, 349874), (373, 218554), (466, 174937), (469, 173818), (746, 109277), (938, 86909), (1631, 49982), (2611, 31222), (3262, 24991), (5222, 15611)]