387960244

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:993

約数の個数: 72

約数和(自身を含む): 825358632

約数和(自身を除く): 437398388

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 61, 74, 98, 122, 148, 196, 244, 259, 427, 518, 854, 877, 1036, 1708, 1754, 1813, 2257, 2989, 3508, 3626, 4514, 5978, 6139, 7252, 9028, 11956, 12278, 15799, 24556, 31598, 32449, 42973, 53497, 63196, 64898, 85946, 106994, 110593, 129796, 171892, 213988, 221186, 227143, 374479, 442372, 454286, 748958, 908572, 1497916, 1590001, 1979389, 2621353, 3180002, 3958778, 5242706, 6360004, 7917556, 10485412, 13855723, 27711446, 55422892, 96990061, 193980122, 387960244]

約数ペア:

[(1, 387960244), (2, 193980122), (4, 96990061), (7, 55422892), (14, 27711446), (28, 13855723), (37, 10485412), (49, 7917556), (61, 6360004), (74, 5242706), (98, 3958778), (122, 3180002), (148, 2621353), (196, 1979389), (244, 1590001), (259, 1497916), (427, 908572), (518, 748958), (854, 454286), (877, 442372), (1036, 374479), (1708, 227143), (1754, 221186), (1813, 213988), (2257, 171892), (2989, 129796), (3508, 110593), (3626, 106994), (4514, 85946), (5978, 64898), (6139, 63196), (7252, 53497), (9028, 42973), (11956, 32449), (12278, 31598), (15799, 24556)]