72014978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 138240000

約数和(自身を除く): 66225022

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 79, 133, 149, 158, 161, 266, 298, 322, 437, 553, 874, 1043, 1106, 1501, 1817, 2086, 2831, 3002, 3059, 3427, 3634, 5662, 6118, 6854, 10507, 11771, 12719, 19817, 21014, 23542, 23989, 25438, 34523, 39634, 47978, 65113, 69046, 82397, 130226, 164794, 223649, 241661, 270733, 447298, 455791, 483322, 541466, 911582, 1565543, 1895131, 3131086, 3790262, 5143927, 10287854, 36007489, 72014978]

約数ペア:

[(1, 72014978), (2, 36007489), (7, 10287854), (14, 5143927), (19, 3790262), (23, 3131086), (38, 1895131), (46, 1565543), (79, 911582), (133, 541466), (149, 483322), (158, 455791), (161, 447298), (266, 270733), (298, 241661), (322, 223649), (437, 164794), (553, 130226), (874, 82397), (1043, 69046), (1106, 65113), (1501, 47978), (1817, 39634), (2086, 34523), (2831, 25438), (3002, 23989), (3059, 23542), (3427, 21014), (3634, 19817), (5662, 12719), (6118, 11771), (6854, 10507)]