78389172

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 205645440

約数和(自身を除く): 127256268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 79, 86, 129, 158, 172, 237, 258, 316, 387, 474, 516, 641, 711, 774, 948, 1282, 1422, 1548, 1923, 2564, 2844, 3397, 3846, 5769, 6794, 7692, 10191, 11538, 13588, 20382, 23076, 27563, 30573, 40764, 50639, 55126, 61146, 82689, 101278, 110252, 122292, 151917, 165378, 202556, 248067, 303834, 330756, 455751, 496134, 607668, 911502, 992268, 1823004, 2177477, 4354954, 6532431, 8709908, 13064862, 19597293, 26129724, 39194586, 78389172]

約数ペア:

[(1, 78389172), (2, 39194586), (3, 26129724), (4, 19597293), (6, 13064862), (9, 8709908), (12, 6532431), (18, 4354954), (36, 2177477), (43, 1823004), (79, 992268), (86, 911502), (129, 607668), (158, 496134), (172, 455751), (237, 330756), (258, 303834), (316, 248067), (387, 202556), (474, 165378), (516, 151917), (641, 122292), (711, 110252), (774, 101278), (948, 82689), (1282, 61146), (1422, 55126), (1548, 50639), (1923, 40764), (2564, 30573), (2844, 27563), (3397, 23076), (3846, 20382), (5769, 13588), (6794, 11538), (7692, 10191)]