128623768

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 331430400

約数和(自身を除く): 202806632

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 91, 104, 119, 133, 136, 152, 182, 221, 238, 247, 266, 323, 364, 442, 476, 494, 532, 547, 646, 728, 884, 952, 988, 1064, 1094, 1292, 1547, 1729, 1768, 1976, 2188, 2261, 2584, 3094, 3458, 3829, 4199, 4376, 4522, 6188, 6916, 7111, 7658, 8398, 9044, 9299, 10393, 12376, 13832, 14222, 15316, 16796, 18088, 18598, 20786, 28444, 29393, 30632, 33592, 37196, 41572, 49777, 56888, 58786, 65093, 72751, 74392, 83144, 99554, 117572, 120887, 130186, 135109, 145502, 176681, 199108, 235144, 241774, 260372, 270218, 291004, 353362, 398216, 483548, 520744, 540436, 582008, 706724, 846209, 945763, 967096, 1080872, 1236767, 1413448, 1692418, 1891526, 2296853, 2473534, 3384836, 3783052, 4593706, 4947068, 6769672, 7566104, 9187412, 9894136, 16077971, 18374824, 32155942, 64311884, 128623768]

約数ペア:

[(1, 128623768), (2, 64311884), (4, 32155942), (7, 18374824), (8, 16077971), (13, 9894136), (14, 9187412), (17, 7566104), (19, 6769672), (26, 4947068), (28, 4593706), (34, 3783052), (38, 3384836), (52, 2473534), (56, 2296853), (68, 1891526), (76, 1692418), (91, 1413448), (104, 1236767), (119, 1080872), (133, 967096), (136, 945763), (152, 846209), (182, 706724), (221, 582008), (238, 540436), (247, 520744), (266, 483548), (323, 398216), (364, 353362), (442, 291004), (476, 270218), (494, 260372), (532, 241774), (547, 235144), (646, 199108), (728, 176681), (884, 145502), (952, 135109), (988, 130186), (1064, 120887), (1094, 117572), (1292, 99554), (1547, 83144), (1729, 74392), (1768, 72751), (1976, 65093), (2188, 58786), (2261, 56888), (2584, 49777), (3094, 41572), (3458, 37196), (3829, 33592), (4199, 30632), (4376, 29393), (4522, 28444), (6188, 20786), (6916, 18598), (7111, 18088), (7658, 16796), (8398, 15316), (9044, 14222), (9299, 13832), (10393, 12376)]