164706516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18523}}^1$

素因数の和:18565

約数の個数: 72

約数和(自身を含む): 471991520

約数和(自身を除く): 307285004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 18523, 37046, 55569, 74092, 111138, 166707, 222276, 240799, 333414, 351937, 481598, 666828, 703874, 722397, 963196, 1055811, 1407748, 1444794, 2111622, 2167191, 2889588, 3167433, 4223244, 4334382, 4575181, 6334866, 8668764, 9150362, 12669732, 13725543, 18300724, 27451086, 41176629, 54902172, 82353258, 164706516]

約数ペア:

[(1, 164706516), (2, 82353258), (3, 54902172), (4, 41176629), (6, 27451086), (9, 18300724), (12, 13725543), (13, 12669732), (18, 9150362), (19, 8668764), (26, 6334866), (36, 4575181), (38, 4334382), (39, 4223244), (52, 3167433), (57, 2889588), (76, 2167191), (78, 2111622), (114, 1444794), (117, 1407748), (156, 1055811), (171, 963196), (228, 722397), (234, 703874), (247, 666828), (342, 481598), (468, 351937), (494, 333414), (684, 240799), (741, 222276), (988, 166707), (1482, 111138), (2223, 74092), (2964, 55569), (4446, 37046), (8892, 18523)]