66731764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 132596352

約数和(自身を除く): 65864588

約数列:

[1, 2, 4, 11, 22, 41, 44, 71, 82, 142, 164, 284, 451, 521, 781, 902, 1042, 1562, 1804, 2084, 2911, 3124, 5731, 5822, 11462, 11644, 21361, 22924, 32021, 36991, 42722, 64042, 73982, 85444, 128084, 147964, 234971, 406901, 469942, 813802, 939884, 1516631, 1627604, 3033262, 6066524, 16682941, 33365882, 66731764]

約数ペア:

[(1, 66731764), (2, 33365882), (4, 16682941), (11, 6066524), (22, 3033262), (41, 1627604), (44, 1516631), (71, 939884), (82, 813802), (142, 469942), (164, 406901), (284, 234971), (451, 147964), (521, 128084), (781, 85444), (902, 73982), (1042, 64042), (1562, 42722), (1804, 36991), (2084, 32021), (2911, 22924), (3124, 21361), (5731, 11644), (5822, 11462)]