16520826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 38752704

約数和(自身を除く): 22231878

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 113, 118, 177, 226, 339, 354, 413, 678, 791, 826, 1239, 1582, 2373, 2478, 3481, 4746, 6667, 6962, 10443, 13334, 20001, 20886, 24367, 40002, 46669, 48734, 73101, 93338, 140007, 146202, 280014, 393353, 786706, 1180059, 2360118, 2753471, 5506942, 8260413, 16520826]

約数ペア:

[(1, 16520826), (2, 8260413), (3, 5506942), (6, 2753471), (7, 2360118), (14, 1180059), (21, 786706), (42, 393353), (59, 280014), (113, 146202), (118, 140007), (177, 93338), (226, 73101), (339, 48734), (354, 46669), (413, 40002), (678, 24367), (791, 20886), (826, 20001), (1239, 13334), (1582, 10443), (2373, 6962), (2478, 6667), (3481, 4746)]