138314984

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 279806400

約数和(自身を除く): 141491416

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 361, 376, 722, 893, 1019, 1444, 1786, 2038, 2888, 3572, 4076, 7144, 8152, 16967, 19361, 33934, 38722, 47893, 67868, 77444, 95786, 135736, 154888, 191572, 367859, 383144, 735718, 909967, 1471436, 1819934, 2942872, 3639868, 7279736, 17289373, 34578746, 69157492, 138314984]

約数ペア:

[(1, 138314984), (2, 69157492), (4, 34578746), (8, 17289373), (19, 7279736), (38, 3639868), (47, 2942872), (76, 1819934), (94, 1471436), (152, 909967), (188, 735718), (361, 383144), (376, 367859), (722, 191572), (893, 154888), (1019, 135736), (1444, 95786), (1786, 77444), (2038, 67868), (2888, 47893), (3572, 38722), (4076, 33934), (7144, 19361), (8152, 16967)]