128636172

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{72923}}^1$

素因数の和:72947

約数の個数: 54

約数和(自身を含む): 378256788

約数和(自身を除く): 249620616

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 72923, 145846, 218769, 291692, 437538, 510461, 656307, 875076, 1020922, 1312614, 1531383, 2041844, 2625228, 3062766, 3573227, 4594149, 6125532, 7146454, 9188298, 10719681, 14292908, 18376596, 21439362, 32159043, 42878724, 64318086, 128636172]

約数ペア:

[(1, 128636172), (2, 64318086), (3, 42878724), (4, 32159043), (6, 21439362), (7, 18376596), (9, 14292908), (12, 10719681), (14, 9188298), (18, 7146454), (21, 6125532), (28, 4594149), (36, 3573227), (42, 3062766), (49, 2625228), (63, 2041844), (84, 1531383), (98, 1312614), (126, 1020922), (147, 875076), (196, 656307), (252, 510461), (294, 437538), (441, 291692), (588, 218769), (882, 145846), (1764, 72923)]