81384492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2269}}^1$

素因数の和:2351

約数の個数: 72

約数和(自身を含む): 224621040

約数和(自身を除く): 143236548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1281, 1708, 2269, 2562, 2989, 4538, 5124, 5978, 6807, 8967, 9076, 11956, 13614, 15883, 17934, 27228, 31766, 35868, 47649, 63532, 95298, 111181, 138409, 190596, 222362, 276818, 333543, 415227, 444724, 553636, 667086, 830454, 968863, 1334172, 1660908, 1937726, 2906589, 3875452, 5813178, 6782041, 11626356, 13564082, 20346123, 27128164, 40692246, 81384492]

約数ペア:

[(1, 81384492), (2, 40692246), (3, 27128164), (4, 20346123), (6, 13564082), (7, 11626356), (12, 6782041), (14, 5813178), (21, 3875452), (28, 2906589), (42, 1937726), (49, 1660908), (61, 1334172), (84, 968863), (98, 830454), (122, 667086), (147, 553636), (183, 444724), (196, 415227), (244, 333543), (294, 276818), (366, 222362), (427, 190596), (588, 138409), (732, 111181), (854, 95298), (1281, 63532), (1708, 47649), (2269, 35868), (2562, 31766), (2989, 27228), (4538, 17934), (5124, 15883), (5978, 13614), (6807, 11956), (8967, 9076)]