81185538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 195010560

約数和(自身を除く): 113825022

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 229, 322, 367, 458, 483, 687, 734, 966, 1101, 1374, 1603, 2202, 2569, 3206, 4809, 5138, 5267, 7707, 8441, 9618, 10534, 15414, 15801, 16882, 25323, 31602, 36869, 50646, 59087, 73738, 84043, 110607, 118174, 168086, 177261, 221214, 252129, 354522, 504258, 588301, 1176602, 1764903, 1932989, 3529806, 3865978, 5798967, 11597934, 13530923, 27061846, 40592769, 81185538]

約数ペア:

[(1, 81185538), (2, 40592769), (3, 27061846), (6, 13530923), (7, 11597934), (14, 5798967), (21, 3865978), (23, 3529806), (42, 1932989), (46, 1764903), (69, 1176602), (138, 588301), (161, 504258), (229, 354522), (322, 252129), (367, 221214), (458, 177261), (483, 168086), (687, 118174), (734, 110607), (966, 84043), (1101, 73738), (1374, 59087), (1603, 50646), (2202, 36869), (2569, 31602), (3206, 25323), (4809, 16882), (5138, 15801), (5267, 15414), (7707, 10534), (8441, 9618)]